Sen. Jon Tester’s Cosponsors

Tester has gotten 3,152 cosponsors (by 175 unique Members of Congress) on his 498 bills from Mar 1, 2007 to Jun 1, 2023. Here they are in order from most cosponsored bills to fewest.

Sen. Richard Blumenthal [D-CT]

86 bills from May 2, 2011 to May 16, 2023

Armed Forces and National Security (61); Government Operations and Politics (5); Labor and Employment (5); Education (4); Taxation (3); Agriculture and Food (3); Finance and Financial Sector (1); Native Americans (1); Housing and Community Development (1); Health (1)

Sen. Jerry Moran [R-KS]

70 bills from Apr 14, 2011 to May 3, 2023

Armed Forces and National Security (41); Native Americans (11); Finance and Financial Sector (5); Government Operations and Politics (4); Crime and Law Enforcement (2); International Affairs (2); Environmental Protection (1); Taxation (1); Transportation and Public Works (1)

Sen. Tammy Baldwin [D-WI]

62 bills from Jun 10, 2013 to Jun 1, 2023

Armed Forces and National Security (36); Native Americans (7); Labor and Employment (5); Government Operations and Politics (3); Animals (2); Taxation (2); Education (2); Public Lands and Natural Resources (1); Health (1); International Affairs (1)

Sen. Patty Murray [D-WA]

62 bills from Sep 29, 2008 to May 10, 2023

Armed Forces and National Security (44); Native Americans (9); Taxation (3); Education (2); Arts, Culture, Religion (1); Government Operations and Politics (1); Public Lands and Natural Resources (1); Health (1)

Sen. Sherrod Brown [D-OH]

62 bills from May 23, 2007 to May 10, 2023

Armed Forces and National Security (40); Health (5); Government Operations and Politics (5); Finance and Financial Sector (4); Labor and Employment (3); Education (3); Taxation (3); Housing and Community Development (1); Economics and Public Finance (1); Social Welfare (1); Transportation and Public Works (1)

Sen. Mark Begich [D-AK, 2009-2014]

62 bills from Apr 20, 2009 to Nov 20, 2014

Armed Forces and National Security (26); Government Operations and Politics (9); Public Lands and Natural Resources (4); Native Americans (4); Energy (3); Transportation and Public Works (3); International Affairs (2); Crime and Law Enforcement (2); Labor and Employment (2); Housing and Community Development (1); Environmental Protection (1); Economics and Public Finance (1); Emergency Management (1); Civil Rights and Liberties, Minority Issues (1); Finance and Financial Sector (1); Health (1)

Sen. Amy Klobuchar [D-MN]

61 bills from Sep 29, 2008 to May 16, 2023

Armed Forces and National Security (31); Native Americans (5); Agriculture and Food (4); Taxation (3); Government Operations and Politics (3); Education (3); Labor and Employment (2); Water Resources Development (2); Environmental Protection (1); Arts, Culture, Religion (1); Emergency Management (1); Public Lands and Natural Resources (1); Finance and Financial Sector (1); Animals (1); Health (1); International Affairs (1)

Sen. Elizabeth Warren [D-MA]

56 bills from Feb 25, 2013 to May 16, 2023

Armed Forces and National Security (25); Native Americans (10); Taxation (6); Health (5); Labor and Employment (4); Government Operations and Politics (3); Education (2)

Sen. Tom Udall [D-NM, 2009-2020]

55 bills from Apr 2, 2009 to Dec 2, 2020

Native Americans (18); Armed Forces and National Security (12); Government Operations and Politics (6); Taxation (5); Public Lands and Natural Resources (4); Health (2); Housing and Community Development (2); Water Resources Development (2); Emergency Management (1); Education (1); Animals (1)

Sen. Max Baucus [D-MT, 1978-2014]

53 bills from Mar 1, 2007 to Jan 16, 2014

Armed Forces and National Security (13); Native Americans (11); Public Lands and Natural Resources (10); Government Operations and Politics (6); Health (5); Economics and Public Finance (5); Finance and Financial Sector (4); Agriculture and Food (4); Science, Technology, Communications (3); Energy (3); Education (3); Housing and Community Development (2); International Affairs (2); Crime and Law Enforcement (2); Water Resources Development (2); Environmental Protection (2); Commerce (1); Sports and Recreation (1); Arts, Culture, Religion (1); Transportation and Public Works (1); Labor and Employment (1); Animals (1)

Sen. Steve Daines [R-MT]

52 bills from Jan 6, 2015 to May 3, 2023

Native Americans (12); Armed Forces and National Security (10); Health (8); Public Lands and Natural Resources (7); Government Operations and Politics (4); Water Resources Development (4); Agriculture and Food (4); Housing and Community Development (1); International Affairs (1); Foreign Trade and International Finance (1); Transportation and Public Works (1)

Sen. Jeanne Shaheen [D-NH]

51 bills from Nov 17, 2010 to May 16, 2023

Armed Forces and National Security (25); Taxation (6); Education (4); Government Operations and Politics (3); Health (3); Public Lands and Natural Resources (2); Finance and Financial Sector (2); International Affairs (1); Crime and Law Enforcement (1); Economics and Public Finance (1); Housing and Community Development (1); Agriculture and Food (1)

Sen. Kirsten Gillibrand [D-NY]

51 bills from Jan 27, 2010 to May 16, 2023

Armed Forces and National Security (25); Government Operations and Politics (8); Taxation (6); Labor and Employment (4); Education (2); Finance and Financial Sector (1); Housing and Community Development (1); Native Americans (1); Agriculture and Food (1); Health (1)

Sen. Ron Wyden [D-OR]

50 bills from Oct 15, 2009 to May 10, 2023

Armed Forces and National Security (23); Taxation (6); Government Operations and Politics (5); Native Americans (4); Education (3); Agriculture and Food (3); Public Lands and Natural Resources (2); Health (2); International Affairs (1)

Sen. Christopher Coons [D-DE]

49 bills from Mar 15, 2011 to May 17, 2023

Armed Forces and National Security (27); Labor and Employment (4); Education (4); Government Operations and Politics (3); Finance and Financial Sector (2); Taxation (2); Public Lands and Natural Resources (1); Native Americans (1); Animals (1); Health (1); Agriculture and Food (1); International Affairs (1)

Sen. John Boozman [R-AR]

49 bills from Mar 16, 2011 to May 16, 2023

Armed Forces and National Security (32); Health (7); Crime and Law Enforcement (2); Environmental Protection (1); Housing and Community Development (1); Government Operations and Politics (1); Finance and Financial Sector (1); Public Lands and Natural Resources (1); Agriculture and Food (1); Education (1)

Sen. Jeff Merkley [D-OR]

46 bills from Jun 22, 2009 to May 17, 2023

Armed Forces and National Security (14); Health (7); Taxation (6); Education (6); Government Operations and Politics (5); Housing and Community Development (2); Public Lands and Natural Resources (2); Native Americans (2); Commerce (1)

Sen. Angus King [I-ME]

46 bills from Feb 25, 2013 to May 16, 2023

Armed Forces and National Security (22); Health (7); Taxation (7); Government Operations and Politics (4); Education (2); Labor and Employment (1); Housing and Community Development (1); Agriculture and Food (1)

Sen. Mazie Hirono [D-HI]

45 bills from Oct 16, 2013 to May 16, 2023

Armed Forces and National Security (28); Native Americans (6); Government Operations and Politics (4); Taxation (3); Education (2); Health (1)

Sen. Martin Heinrich [D-NM]

44 bills from Feb 11, 2013 to May 1, 2023

Native Americans (15); Armed Forces and National Security (8); Public Lands and Natural Resources (3); Government Operations and Politics (3); Health (3); Agriculture and Food (3); Water Resources Development (2); Education (2); Taxation (2); Labor and Employment (1); Animals (1)

Sen. Susan Collins [R-ME]

43 bills from Apr 1, 2008 to Mar 16, 2023

Armed Forces and National Security (21); Health (9); Government Operations and Politics (7); Education (4); Economics and Public Finance (1); Social Welfare (1); Agriculture and Food (1); International Affairs (1)

Sen. Michael Bennet [D-CO]

42 bills from Sep 29, 2010 to May 31, 2023

Armed Forces and National Security (21); Public Lands and Natural Resources (4); Taxation (4); Education (4); Government Operations and Politics (2); Finance and Financial Sector (2); Native Americans (2); Agriculture and Food (1); Health (1)

Sen. Lisa Murkowski [R-AK]

42 bills from Nov 17, 2010 to May 10, 2023

Armed Forces and National Security (20); Native Americans (4); International Affairs (3); Government Operations and Politics (3); Health (3); Crime and Law Enforcement (2); Energy (1); Environmental Protection (1); Finance and Financial Sector (1); Housing and Community Development (1); Agriculture and Food (1); Social Welfare (1)

Sen. Debbie Stabenow [D-MI]

41 bills from Feb 4, 2010 to May 16, 2023

Armed Forces and National Security (22); Native Americans (7); Agriculture and Food (3); Education (2); International Affairs (1); Public Lands and Natural Resources (1); Taxation (1); Labor and Employment (1); Housing and Community Development (1); Health (1)

Sen. Claire McCaskill [D-MO, 2007-2018]

40 bills from Jun 14, 2007 to Sep 26, 2018

Government Operations and Politics (14); Armed Forces and National Security (11); Finance and Financial Sector (3); Public Lands and Natural Resources (3); Labor and Employment (2); Health (2); Taxation (2); Environmental Protection (1); Arts, Culture, Religion (1); Native Americans (1); Transportation and Public Works (1); Education (1); Foreign Trade and International Finance (1)

Sen. Richard Durbin [D-IL]

39 bills from Apr 24, 2008 to Mar 30, 2023

Armed Forces and National Security (15); Health (8); Labor and Employment (6); Government Operations and Politics (4); Education (3); Taxation (2); Economics and Public Finance (1); Social Welfare (1); International Affairs (1)

Sen. Joe Manchin [D-WV]

38 bills from Apr 4, 2011 to Feb 15, 2023

Armed Forces and National Security (24); Government Operations and Politics (3); Crime and Law Enforcement (2); Health (2); Education (2); Public Lands and Natural Resources (1); Taxation (1); Economics and Public Finance (1); International Affairs (1)

Sen. Sheldon Whitehouse [D-RI]

37 bills from May 25, 2011 to Jun 1, 2023

Armed Forces and National Security (16); Health (6); Labor and Employment (4); Government Operations and Politics (3); Civil Rights and Liberties, Minority Issues (3); Taxation (3); Education (1)

Sen. Gary Peters [D-MI]

37 bills from Feb 4, 2015 to Jun 1, 2023

Armed Forces and National Security (23); Government Operations and Politics (4); Education (3); Taxation (2); Native Americans (1); Health (1); International Affairs (1)

Sen. Bernard “Bernie” Sanders [I-VT]

37 bills from Apr 30, 2007 to May 10, 2023

Armed Forces and National Security (24); Government Operations and Politics (4); Native Americans (3); Health (2); International Affairs (1); Economics and Public Finance (1); Arts, Culture, Religion (1); Transportation and Public Works (1); Commerce (1); Finance and Financial Sector (1); Taxation (1); Education (1)

Sen. Robert “Bob” Casey [D-PA]

37 bills from Sep 29, 2008 to Feb 9, 2023

Armed Forces and National Security (20); Education (4); Taxation (3); Government Operations and Politics (2); Native Americans (2); Animals (2); Crime and Law Enforcement (1); Arts, Culture, Religion (1); Public Lands and Natural Resources (1); Health (1)

Sen. Mike Rounds [R-SD]

36 bills from Jul 11, 2016 to Mar 29, 2023

Armed Forces and National Security (22); Agriculture and Food (6); Native Americans (5); Government Operations and Politics (1); Foreign Trade and International Finance (1); Finance and Financial Sector (1)

Sen. Margaret “Maggie” Hassan [D-NH]

36 bills from Feb 3, 2017 to Mar 15, 2023

Armed Forces and National Security (22); Taxation (5); Education (4); Government Operations and Politics (2); Health (2)

Sen. Catherine Cortez Masto [D-NV]

35 bills from Sep 7, 2017 to May 10, 2023

Armed Forces and National Security (19); Native Americans (5); Taxation (3); Health (3); Education (2); Government Operations and Politics (1); International Affairs (1)

Sen. Edward “Ed” Markey [D-MA]

35 bills from Dec 9, 2013 to May 3, 2023

Armed Forces and National Security (15); Labor and Employment (5); Health (5); Native Americans (3); Government Operations and Politics (2); Education (2); Civil Rights and Liberties, Minority Issues (1); Taxation (1)

Sen. Cory Booker [D-NJ]

35 bills from Mar 13, 2014 to Feb 9, 2023

Armed Forces and National Security (15); Labor and Employment (4); Agriculture and Food (4); Government Operations and Politics (3); Health (3); Taxation (2); Education (2); Native Americans (1); Foreign Trade and International Finance (1)

Sen. Dianne Feinstein [D-CA]

34 bills from Sep 10, 2008 to Feb 9, 2023

Armed Forces and National Security (10); Government Operations and Politics (6); Native Americans (6); Health (4); Public Lands and Natural Resources (3); Energy (2); Education (2); Economics and Public Finance (1); Law (1); Arts, Culture, Religion (1); Labor and Employment (1); Housing and Community Development (1)

Sen. Kyrsten Sinema [I-AZ]

33 bills from Jan 16, 2019 to May 10, 2023

Armed Forces and National Security (22); Native Americans (4); Health (4); Labor and Employment (1); Economics and Public Finance (1); Education (1)

Sen. Patrick Leahy [D-VT, 1975-2022]

32 bills from Aug 2, 2007 to Feb 14, 2022

Armed Forces and National Security (13); Government Operations and Politics (5); Health (4); Labor and Employment (3); Crime and Law Enforcement (1); Native Americans (1); International Affairs (1); Agriculture and Food (1); Environmental Protection (1); Public Lands and Natural Resources (1); Taxation (1)

Sen. Tina Smith [D-MN]

31 bills from Jan 24, 2018 to Feb 28, 2023

Armed Forces and National Security (11); Native Americans (11); Health (2); Government Operations and Politics (1); Water Resources Development (1); Taxation (1); Animals (1); Agriculture and Food (1); Education (1)

Sen. Alan “Al” Franken [D-MN, 2009-2017]

31 bills from Sep 21, 2011 to Nov 7, 2017

Native Americans (9); Armed Forces and National Security (7); Government Operations and Politics (4); Labor and Employment (3); Health (2); Housing and Community Development (2); Water Resources Development (2); Education (2)

Sen. Maria Cantwell [D-WA]

30 bills from Jul 23, 2012 to May 16, 2023

Native Americans (11); Armed Forces and National Security (8); Government Operations and Politics (3); Public Lands and Natural Resources (2); Education (2); Emergency Management (1); Housing and Community Development (1); Health (1)

Sen. Chris Van Hollen [D-MD]

30 bills from Feb 3, 2017 to May 10, 2023

Armed Forces and National Security (17); Labor and Employment (3); Taxation (3); Education (3); Government Operations and Politics (2); Health (1)

Sen. Robert “Bob” Menendez [D-NJ]

30 bills from Sep 29, 2008 to May 10, 2023

Armed Forces and National Security (15); Finance and Financial Sector (3); Government Operations and Politics (3); Taxation (3); Native Americans (2); Arts, Culture, Religion (1); Health (1); Education (1); International Affairs (1)

Sen. Brian Schatz [D-HI]

30 bills from Apr 8, 2013 to Feb 28, 2023

Armed Forces and National Security (14); Native Americans (10); Government Operations and Politics (4); Health (1)

Sen. Heidi Heitkamp [D-ND, 2013-2018]

30 bills from Mar 7, 2013 to Oct 10, 2018

Native Americans (7); Government Operations and Politics (6); Armed Forces and National Security (5); Taxation (3); Finance and Financial Sector (2); Labor and Employment (2); Water Resources Development (2); Education (1); Agriculture and Food (1)

Sen. Timothy “Tim” Kaine [D-VA]

28 bills from May 14, 2013 to May 16, 2023

Armed Forces and National Security (14); Government Operations and Politics (4); Education (4); Taxation (2); Native Americans (1); Public Lands and Natural Resources (1); Health (1)

Sen. Roger Wicker [R-MS]

28 bills from Apr 15, 2008 to Mar 2, 2023

Health (10); Armed Forces and National Security (7); Finance and Financial Sector (3); International Affairs (2); Government Operations and Politics (2); Crime and Law Enforcement (1); Environmental Protection (1); Economics and Public Finance (1); Education (1); Social Welfare (1); Housing and Community Development (1)

Sen. John Hoeven [R-ND]

27 bills from Apr 15, 2013 to Jun 1, 2023

Armed Forces and National Security (11); Native Americans (9); Agriculture and Food (3); Health (1); Immigration (1)

Sen. Thomas Carper [D-DE]

27 bills from Jun 30, 2010 to Mar 30, 2023

Government Operations and Politics (6); Armed Forces and National Security (5); Health (5); Taxation (4); Finance and Financial Sector (3); Education (2); Native Americans (1)

Sen. Jacky Rosen [D-NV]

26 bills from Jul 29, 2019 to Jun 1, 2023

Armed Forces and National Security (16); Education (4); Health (2); Government Operations and Politics (2); Native Americans (1)

Sen. Kevin Cramer [R-ND]

26 bills from Jan 31, 2019 to May 10, 2023

Armed Forces and National Security (15); Native Americans (7); Health (3); International Affairs (1)

Sen. John F. “Jack” Reed [D-RI]

26 bills from Sep 29, 2008 to Mar 8, 2022

Armed Forces and National Security (14); Government Operations and Politics (3); Education (3); Taxation (2); Arts, Culture, Religion (1); Native Americans (1); Health (1); Finance and Financial Sector (1)

Sen. Mark Warner [D-VA]

24 bills from Sep 6, 2011 to Jan 24, 2023

Armed Forces and National Security (11); Government Operations and Politics (4); Finance and Financial Sector (3); Public Lands and Natural Resources (2); Education (2); Health (1)

Sen. Charles “Chuck” Schumer [D-NY]

23 bills from Jan 27, 2011 to May 16, 2023

Armed Forces and National Security (16); Government Operations and Politics (3); Native Americans (1); Agriculture and Food (1); Health (1)

Sen. Michael “Mike” Crapo [R-ID]

23 bills from Jun 5, 2008 to Feb 9, 2023

Armed Forces and National Security (7); Finance and Financial Sector (4); Public Lands and Natural Resources (3); International Affairs (2); Health (2); Environmental Protection (2); Economics and Public Finance (1); Water Resources Development (1); Native Americans (1); Housing and Community Development (1)

Sen. Dean Heller [R-NV, 2011-2018]

23 bills from Jun 8, 2011 to Jun 26, 2018

Armed Forces and National Security (13); Crime and Law Enforcement (2); Public Lands and Natural Resources (2); Environmental Protection (1); Government Operations and Politics (1); International Affairs (1); Finance and Financial Sector (1); Native Americans (1)

Sen. John Thune [R-SD]

22 bills from Apr 20, 2009 to Feb 2, 2023

Native Americans (6); Armed Forces and National Security (3); Finance and Financial Sector (3); Agriculture and Food (3); Crime and Law Enforcement (2); Foreign Trade and International Finance (2); Environmental Protection (1); Housing and Community Development (1); Health (1)

Sen. Benjamin Cardin [D-MD]

22 bills from Dec 14, 2007 to Feb 17, 2022

Government Operations and Politics (7); Health (5); Armed Forces and National Security (5); Education (3); Economics and Public Finance (1); Social Welfare (1); Labor and Employment (1); Taxation (1)

Sen. Tim Johnson [D-SD, 1997-2014]

21 bills from Dec 14, 2007 to Nov 20, 2014

Armed Forces and National Security (7); Health (6); Native Americans (5); Economics and Public Finance (2); Education (2); Housing and Community Development (2); Labor and Employment (2); Social Welfare (1); Arts, Culture, Religion (1); Science, Technology, Communications (1); Emergency Management (1); Government Operations and Politics (1)

Sen. Tammy Duckworth [D-IL]

20 bills from Feb 3, 2017 to Mar 15, 2023

Armed Forces and National Security (13); Taxation (2); Government Operations and Politics (1); Health (1); Education (1); Labor and Employment (1)

Sen. Charles “Chuck” Grassley [R-IA]

20 bills from Dec 17, 2010 to Feb 15, 2023

Government Operations and Politics (6); Agriculture and Food (4); Public Lands and Natural Resources (3); Armed Forces and National Security (3); Crime and Law Enforcement (1); Foreign Trade and International Finance (1); International Affairs (1)

Sen. Christopher Murphy [D-CT]

20 bills from Mar 7, 2013 to Feb 17, 2022

Armed Forces and National Security (6); Government Operations and Politics (4); Taxation (2); Education (2); Labor and Employment (1); Finance and Financial Sector (1); Civil Rights and Liberties, Minority Issues (1); Housing and Community Development (1); Health (1)

Sen. Dan Sullivan [R-AK]

18 bills from Feb 10, 2016 to Feb 9, 2023

Armed Forces and National Security (13); Native Americans (3); Health (1)

Sen. Roy Blunt [R-MO, 2011-2022]

18 bills from Mar 29, 2011 to Oct 7, 2021

Armed Forces and National Security (9); Finance and Financial Sector (3); Health (2); Crime and Law Enforcement (1); Environmental Protection (1); Housing and Community Development (1)

Sen. James Risch [R-ID]

17 bills from Sep 29, 2010 to Feb 9, 2023

Public Lands and Natural Resources (7); Armed Forces and National Security (5); Crime and Law Enforcement (1); Environmental Protection (1); Finance and Financial Sector (1); Government Operations and Politics (1)

Sen. Bill Nelson [D-FL, 2001-2018]

17 bills from Mar 29, 2011 to Dec 11, 2018

Armed Forces and National Security (7); Finance and Financial Sector (3); Government Operations and Politics (2); Taxation (2); Native Americans (1); Education (1)

Sen. John Walsh [D-MT, 2014-2014]

17 bills from Feb 25, 2014 to Nov 20, 2014

Public Lands and Natural Resources (5); Armed Forces and National Security (5); Native Americans (4); Government Operations and Politics (1); Civil Rights and Liberties, Minority Issues (1); Finance and Financial Sector (1)

Sen. Mark Kelly [D-AZ]

16 bills from Mar 3, 2021 to May 31, 2023

Armed Forces and National Security (8); Native Americans (4); Labor and Employment (1); Education (1); Health (1); International Affairs (1)

Sen. John Barrasso [R-WY]

16 bills from Apr 16, 2008 to Feb 28, 2023

Native Americans (6); Public Lands and Natural Resources (4); Armed Forces and National Security (2); Health (2); Crime and Law Enforcement (1); Agriculture and Food (1); Animals (1); Economics and Public Finance (1)

Sen. John “Johnny” Isakson [R-GA, 2005-2019]

16 bills from Feb 15, 2011 to Nov 12, 2019

Government Operations and Politics (3); Armed Forces and National Security (3); Health (3); Finance and Financial Sector (2); Native Americans (2); Housing and Community Development (1)

Sen. Shelley Moore Capito [R-WV]

15 bills from Jan 9, 2018 to May 31, 2023

Armed Forces and National Security (7); Education (3); Health (3); International Affairs (1)

Sen. Marsha Blackburn [R-TN]

15 bills from Jan 24, 2019 to Mar 15, 2023

Armed Forces and National Security (14); International Affairs (1)

Vice President Kamala Harris [D]

15 bills from Apr 5, 2017 to Jun 30, 2020

Armed Forces and National Security (8); Health (3); Government Operations and Politics (1); Native Americans (1); Labor and Employment (1)

Sen. Ben Ray Luján [D-NM]

14 bills from May 27, 2021 to May 16, 2023

Armed Forces and National Security (5); Native Americans (5); Agriculture and Food (3); Transportation and Public Works (1); Education (1)

Sen. Thom Tillis [R-NC]

14 bills from Apr 18, 2018 to Mar 14, 2023

Armed Forces and National Security (10); Finance and Financial Sector (2); Agriculture and Food (1)

Sen. Richard Burr [R-NC, 2005-2022]

14 bills from May 4, 2010 to Jun 22, 2022

Transportation and Public Works (9); Armed Forces and National Security (2); Crime and Law Enforcement (1); Environmental Protection (1); Arts, Culture, Religion (1)

Sen. Robert “Rob” Portman [R-OH, 2011-2022]

14 bills from Jul 25, 2011 to Feb 22, 2021

Government Operations and Politics (7); Armed Forces and National Security (3); Crime and Law Enforcement (2); Public Lands and Natural Resources (1)

Sen. Michael Enzi [R-WY, 1997-2020]

14 bills from Jul 17, 2008 to Apr 18, 2018

Public Lands and Natural Resources (3); Government Operations and Politics (3); International Affairs (2); Crime and Law Enforcement (2); Armed Forces and National Security (2); Arts, Culture, Religion (1); Native Americans (1)

Sen. Mark Udall [D-CO, 2009-2014]

12 bills from May 19, 2009 to Jul 29, 2014

Government Operations and Politics (3); Commerce (2); Public Lands and Natural Resources (2); Armed Forces and National Security (2); Native Americans (1); Finance and Financial Sector (1); Health (1)

Sen. Saxby Chambliss [R-GA, 2003-2014]

12 bills from Mar 14, 2011 to Jan 16, 2014

Armed Forces and National Security (5); Finance and Financial Sector (3); Crime and Law Enforcement (2); Health (1); Environmental Protection (1)

Sen. Deb Fischer [R-NE]

11 bills from Nov 17, 2015 to May 18, 2023

Native Americans (3); Transportation and Public Works (2); Armed Forces and National Security (2); Housing and Community Development (1); Agriculture and Food (1); International Affairs (1)

Sen. Doug Jones [D-AL, 2018-2020]

11 bills from Apr 18, 2018 to Jun 30, 2020

Armed Forces and National Security (4); Health (2); Taxation (1); Animals (1); Agriculture and Food (1); Native Americans (1)

Sen. Barbara Boxer [D-CA, 1993-2016]

11 bills from May 8, 2007 to Apr 28, 2015

Armed Forces and National Security (7); Government Operations and Politics (3); Native Americans (1); Health (1); Transportation and Public Works (1); Taxation (1)

Sen. John Cornyn [R-TX]

10 bills from Nov 18, 2011 to Jun 1, 2023

Armed Forces and National Security (6); Environmental Protection (1); Government Operations and Politics (1)

Sen. James “Jim” Inhofe [R-OK, 1994-2022]

10 bills from Nov 15, 2010 to Mar 14, 2022

Native Americans (3); International Affairs (2); Crime and Law Enforcement (2); Environmental Protection (1); Health (1)

Sen. Thomas “Tom” Harkin [D-IA, 1985-2014]

10 bills from Sep 29, 2008 to May 20, 2014

Armed Forces and National Security (2); Government Operations and Politics (2); Native Americans (2); Agriculture and Food (1); Taxation (1); Arts, Culture, Religion (1); Labor and Employment (1); Finance and Financial Sector (1)

Sen. Mary Landrieu [D-LA, 1997-2014]

10 bills from Sep 20, 2011 to Jul 30, 2013

Armed Forces and National Security (6); Finance and Financial Sector (2); Native Americans (1); Government Operations and Politics (1)

Sen. Daniel Inouye [D-HI, 1963-2012]

10 bills from Sep 29, 2008 to Feb 17, 2012

Health (5); Native Americans (3); Public Lands and Natural Resources (2); Arts, Culture, Religion (1)

Sen. Alejandro “Alex” Padilla [D-CA]

9 bills from Jun 10, 2021 to May 18, 2023

Armed Forces and National Security (4); Native Americans (3); Health (2)

Sen. James Lankford [R-OK]

9 bills from Feb 8, 2016 to Mar 9, 2023

Native Americans (4); Armed Forces and National Security (2); Government Operations and Politics (1); Health (1)

Sen. Cindy Hyde-Smith [R-MS]

9 bills from Apr 18, 2018 to Feb 9, 2023

Health (4); Armed Forces and National Security (2); Agriculture and Food (2)

Sen. Ron Johnson [R-WI]

9 bills from Jul 11, 2011 to Feb 2, 2023

Government Operations and Politics (4); Native Americans (3); Crime and Law Enforcement (1)

Sen. Pat Roberts [R-KS, 1997-2020]

9 bills from May 1, 2009 to Jun 13, 2019

Crime and Law Enforcement (2); Finance and Financial Sector (2); Armed Forces and National Security (2); Health (1); Environmental Protection (1)

Sen. Joe Donnelly [D-IN, 2013-2018]

9 bills from Mar 11, 2013 to Oct 10, 2018

Armed Forces and National Security (4); Government Operations and Politics (3); Taxation (1)

Sen. Kelly Ayotte [R-NH, 2011-2016]

9 bills from Mar 16, 2011 to Jan 20, 2016

Government Operations and Politics (4); Armed Forces and National Security (2); Crime and Law Enforcement (1); Finance and Financial Sector (1); Housing and Community Development (1)

Sen. Mark Pryor [D-AR, 2003-2014]

9 bills from Sep 17, 2009 to Jul 31, 2014

Armed Forces and National Security (5); Crime and Law Enforcement (1); Native Americans (1); Public Lands and Natural Resources (1); Finance and Financial Sector (1)

Sen. John “Jay” Rockefeller [D-WV, 1985-2014]

9 bills from Jan 31, 2008 to Mar 5, 2013

Armed Forces and National Security (5); Government Operations and Politics (3); Native Americans (2); Arts, Culture, Religion (1); Health (1); Transportation and Public Works (1)

Sen. Marco Rubio [R-FL]

8 bills from Apr 8, 2011 to Feb 9, 2023

Armed Forces and National Security (4); Crime and Law Enforcement (1); Environmental Protection (1); International Affairs (1)

Sen. Jon Ossoff [D-GA]

8 bills from Oct 5, 2021 to Feb 9, 2023

Armed Forces and National Security (8)

Sen. Patrick “Pat” Toomey [R-PA, 2011-2022]

8 bills from Mar 15, 2011 to Mar 15, 2022

Finance and Financial Sector (4); Crime and Law Enforcement (1); Armed Forces and National Security (1); Government Operations and Politics (1)

Sen. Joni Ernst [R-IA]

8 bills from Jun 20, 2016 to Dec 7, 2021

Armed Forces and National Security (3); Government Operations and Politics (2); Education (1); Health (1)

Sen. Cory Gardner [R-CO, 2015-2020]

8 bills from Feb 4, 2015 to Aug 6, 2020

Armed Forces and National Security (5); Government Operations and Politics (2)

Sen. Thad Cochran [R-MS, 1979-2018]

8 bills from Jan 27, 2011 to Feb 3, 2017

Government Operations and Politics (4); Crime and Law Enforcement (1); Environmental Protection (1); Finance and Financial Sector (1); Native Americans (1)

Sen. Bill Cassidy [R-LA]

7 bills from Apr 18, 2018 to Mar 14, 2023

Armed Forces and National Security (5); Foreign Trade and International Finance (1)

Sen. Lindsey Graham [R-SC]

7 bills from Jan 27, 2011 to Sep 6, 2022

Government Operations and Politics (2); Armed Forces and National Security (2); Crime and Law Enforcement (1); Environmental Protection (1)

Sen. Harry Reid [D-NV, 1987-2016]

7 bills from May 26, 2011 to Mar 26, 2015

Native Americans (2); Government Operations and Politics (2); Public Lands and Natural Resources (1); Energy (1); Finance and Financial Sector (1)

Sen. Jeff Bingaman [D-NM, 1983-2012]

7 bills from Feb 11, 2008 to Sep 19, 2011

Native Americans (4); Health (3); Economics and Public Finance (2); Education (2); Armed Forces and National Security (1); Social Welfare (1); Arts, Culture, Religion (1); Housing and Community Development (1); Labor and Employment (1); Science, Technology, Communications (1)

Sen. Mike Braun [R-IN]

6 bills from Feb 15, 2022 to Jun 1, 2023

Armed Forces and National Security (2); Education (1); International Affairs (1); Agriculture and Food (1)

Sen. Raphael Warnock [D-GA]

6 bills from Feb 25, 2021 to May 16, 2023

Armed Forces and National Security (6)

Sen. Tim Scott [R-SC]

6 bills from Feb 4, 2015 to Jul 15, 2021

Government Operations and Politics (2); Armed Forces and National Security (2); Housing and Community Development (1)

Sen. Martha McSally [R-AZ, 2019-2020]

6 bills from Feb 26, 2019 to Jul 21, 2020

Armed Forces and National Security (4); Labor and Employment (1); Native Americans (1)

Sen. John McCain [R-AZ, 1987-2018]

6 bills from Apr 12, 2011 to Apr 18, 2018

Government Operations and Politics (2); Armed Forces and National Security (2); Crime and Law Enforcement (1)

Sen. Mike Johanns [R-NE, 2009-2014]

6 bills from May 16, 2011 to Jul 29, 2014

Finance and Financial Sector (2); Armed Forces and National Security (2); Crime and Law Enforcement (1); Environmental Protection (1)

Sen. Jefferson “Jeff” Sessions [R-AL, 1997-2017]

6 bills from Mar 29, 2011 to Apr 15, 2013

Health (2); Crime and Law Enforcement (1); Finance and Financial Sector (1); Environmental Protection (1); Armed Forces and National Security (1)

Sen. Ben Nelson [D-NE, 2001-2012]

6 bills from Mar 15, 2011 to Sep 19, 2012

Crime and Law Enforcement (2); Finance and Financial Sector (1); Environmental Protection (1); Armed Forces and National Security (1); Public Lands and Natural Resources (1)

Sen. Kay Hagan [D-NC, 2009-2014]

6 bills from Oct 15, 2009 to Sep 12, 2012

Finance and Financial Sector (2); Health (1); Environmental Protection (1); Armed Forces and National Security (1); Public Lands and Natural Resources (1)

Sen. Daniel Akaka [D-HI, 1990-2012]

6 bills from Mar 17, 2011 to Apr 17, 2012

Finance and Financial Sector (1); Health (1); Native Americans (1); Labor and Employment (1); Emergency Management (1); Armed Forces and National Security (1)

Sen. Tom Cotton [R-AR]

5 bills from Nov 3, 2015 to May 16, 2023

Armed Forces and National Security (3); Housing and Community Development (1)

Sen. Todd Young [R-IN]

5 bills from Apr 18, 2018 to Apr 25, 2023

Armed Forces and National Security (3); Housing and Community Development (1)

Sen. Tommy Tuberville [R-AL]

5 bills from Mar 10, 2021 to Feb 28, 2023

Armed Forces and National Security (3); Native Americans (2)

Sen. Bob Corker [R-TN, 2007-2018]

5 bills from Apr 3, 2008 to Apr 18, 2018

Health (3); Finance and Financial Sector (1); Economics and Public Finance (1); Education (1); Social Welfare (1)

Sen. Barbara Mikulski [D-MD, 1987-2016]

5 bills from Jun 6, 2007 to Sep 9, 2015

Armed Forces and National Security (3); Native Americans (1); Government Operations and Politics (1); Health (1); Transportation and Public Works (1); Labor and Employment (1)

Sen. Carl Levin [D-MI, 1979-2014]

5 bills from Jan 27, 2011 to Mar 25, 2014

Government Operations and Politics (4); Native Americans (1)

Sen. Thomas Coburn [R-OK, 2005-2014]

5 bills from Mar 14, 2011 to Jul 10, 2013

Crime and Law Enforcement (2); Finance and Financial Sector (1); Armed Forces and National Security (1); Government Operations and Politics (1)

Sen. John Hickenlooper [D-CO]

4 bills from Jun 23, 2021 to Apr 25, 2023

Armed Forces and National Security (4)

Sen. Lamar Alexander [R-TN, 2003-2020]

4 bills from Apr 29, 2008 to Oct 29, 2019

Armed Forces and National Security (2); Environmental Protection (1); Government Operations and Politics (1); Health (1); Transportation and Public Works (1)

Sen. Rand Paul [R-KY]

4 bills from Mar 14, 2011 to Apr 18, 2018

Crime and Law Enforcement (1); Armed Forces and National Security (1); Health (1)

Sen. David Vitter [R-LA, 2005-2016]

4 bills from Jun 29, 2010 to Feb 10, 2015

Finance and Financial Sector (1); Crime and Law Enforcement (1); Environmental Protection (1); Government Operations and Politics (1)

Sen. Jim Webb [D-VA, 2007-2012]

4 bills from Apr 30, 2007 to Mar 29, 2012

Armed Forces and National Security (2); Crime and Law Enforcement (1); Arts, Culture, Religion (1); Native Americans (1); Government Operations and Politics (1); Health (1); Transportation and Public Works (1)

Sen. Olympia Snowe [R-ME, 1995-2012]

4 bills from May 11, 2007 to Oct 5, 2011

Government Operations and Politics (2); Armed Forces and National Security (2); Health (2); Economics and Public Finance (1); Education (1); Social Welfare (1); Transportation and Public Works (1)

Sen. Byron Dorgan [D-ND, 1992-2010]

4 bills from Jul 12, 2007 to Mar 18, 2009

Native Americans (3); Health (2); Arts, Culture, Religion (1); Armed Forces and National Security (1); Government Operations and Politics (1); Transportation and Public Works (1); Economics and Public Finance (1); Education (1); Housing and Community Development (1); Labor and Employment (1); Science, Technology, Communications (1)

Sen. Bill Hagerty [R-TN]

3 bills from Dec 6, 2021 to Feb 15, 2023

Armed Forces and National Security (1); Finance and Financial Sector (1); International Affairs (1)

Sen. Ted Cruz [R-TX]

3 bills from Apr 18, 2018 to Feb 9, 2023

Armed Forces and National Security (2)

Sen. David Perdue [R-GA, 2015-2020]

3 bills from Apr 18, 2018 to Aug 6, 2020

Finance and Financial Sector (1); Agriculture and Food (1)

Sen. Mitch McConnell [R-KY]

3 bills from Mar 12, 2013 to Apr 18, 2018

Armed Forces and National Security (1); Finance and Financial Sector (1)

Sen. Mike Lee [R-UT]

3 bills from Mar 15, 2011 to Apr 18, 2018

Finance and Financial Sector (2)

Sen. Orrin Hatch [R-UT, 1977-2018]

3 bills from Mar 17, 2011 to Apr 18, 2018

Crime and Law Enforcement (1); Environmental Protection (1)

Sen. Jeff Flake [R-AZ, 2013-2018]

3 bills from Dec 18, 2013 to Apr 18, 2018

Public Lands and Natural Resources (1); Government Operations and Politics (1)

Sen. Scott Brown [R-MA, 2010-2012]

3 bills from Dec 6, 2011 to Apr 16, 2012

Government Operations and Politics (1); Health (1); Armed Forces and National Security (1)

Sen. Robert Bennett [R-UT, 1993-2010]

3 bills from Apr 4, 2008 to Jun 29, 2010

Health (2); Finance and Financial Sector (1); Economics and Public Finance (1); Education (1); Social Welfare (1)

Sen. Blanche Lincoln [D-AR, 1999-2010]

3 bills from Jan 31, 2008 to Apr 27, 2010

Armed Forces and National Security (2); Health (2); Government Operations and Politics (1); Transportation and Public Works (1)

Sen. Peter Welch [D-VT]

2 bills from Feb 14, 2023 to May 16, 2023

Armed Forces and National Security (2)

Sen. John Fetterman [D-PA]

2 bills from Feb 28, 2023 to Apr 25, 2023

Armed Forces and National Security (2)

Sen. Rick Scott [R-FL]

2 bills from Feb 15, 2023 to Mar 6, 2023

Armed Forces and National Security (1); International Affairs (1)

Sen. Joshua “Josh” Hawley [R-MO]

2 bills from Dec 18, 2019 to Mar 6, 2023

Armed Forces and National Security (2)

Sen. Cynthia Lummis [R-WY]

2 bills from Jun 17, 2021 to Feb 15, 2023

Housing and Community Development (1); International Affairs (1)

Sen. Roger Marshall [R-KS]

2 bills from Jun 10, 2021 to Feb 2, 2023

Health (1); Native Americans (1)

Sen. John Neely Kennedy [R-LA]

2 bills from Apr 18, 2018 to Sep 14, 2022

Armed Forces and National Security (1)

Sen. Kelly Loeffler [R-GA, 2020-2021]

2 bills from May 6, 2020 to May 6, 2020

Agriculture and Food (1); Armed Forces and National Security (1)

Sen. John Kerry [D-MA, 1985-2013]

2 bills from Sep 21, 2011 to Jul 30, 2012

Native Americans (1); Armed Forces and National Security (1)

Sen. Kent Conrad [D-ND, 1992-2012]

2 bills from Dec 7, 2009 to Nov 9, 2011

Native Americans (1); Armed Forces and National Security (1)

Sen. Jim Bunning [R-KY, 1999-2010]

2 bills from May 13, 2009 to May 21, 2009

Commerce (1); Health (1)

Sen. Edward “Ted” Kennedy [D-MA, 1962-2009]

2 bills from Sep 15, 2008 to May 18, 2009

Health (1); Arts, Culture, Religion (1); Native Americans (1)

Sen. Larry Craig [R-ID, 1991-2008]

2 bills from Jun 5, 2008 to Jul 11, 2008

Economics and Public Finance (2); Agriculture and Food (1); Animals (1); Public Lands and Natural Resources (1); Environmental Protection (1); Water Resources Development (1)

Sen. Pete Ricketts [R-NE]

1 bill from May 18, 2023 to May 18, 2023

Armed Forces and National Security (1)

Sen. Katie Britt [R-AL]

1 bill from Feb 15, 2023 to Feb 15, 2023

International Affairs (1)

Sen. J.D. (James) Vance [R-OH]

1 bill from Feb 9, 2023 to Feb 9, 2023

Armed Forces and National Security (1)

Sen. Mitt Romney [R-UT]

1 bill from Aug 6, 2020 to Aug 6, 2020

Agriculture and Food (1)