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2013 Report Cards: All Senators

These special year-end statistics dissect the legislative records of Members of Congress during the 2013 legislative year (Jan 3, 2013-Dec 26, 2013), looking at Members who served at the end of that period. This page was last updated on Dec 1, 2014.

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Writing Bipartisan Bills

In this era of partisanship, it is encouraging to see Members of Congress working across the aisle. This is the percent of bills introduced by each legislator in 2013 which had both a Democratic cosponsor and a Republican cosponsor.

All Senators
highest % of bills
#1 60.7% Sen. Patrick Leahy [D-VT]
#10 52.2% Sen. Mark Pryor [D-AR, 2003-2014]
#11 51.4% Sen. Mary Landrieu [D-LA, 1997-2014]
#12 50.0% Sen. Joe Manchin [D-WV]
#12 50.0% Sen. Roy Blunt [R-MO]
#14 48.9% Sen. Amy Klobuchar [D-MN]
#15 48.6% Sen. Jon Tester [D-MT]
#16 47.4% Sen. Benjamin Cardin [D-MD]
#17 42.9% Sen. Mark Warner [D-VA]
#17 42.9% Sen. Sherrod Brown [D-OH]
#19 42.3% Sen. Max Baucus [D-MT, 1978-2014]
#2 60.0% Sen. Mazie Hirono [D-HI]
#20 41.7% Sen. Roger Wicker [R-MS]
#21 40.0% Sen. John Thune [R-SD]
#22 39.1% Sen. Debbie Stabenow [D-MI]
#23 38.9% Sen. Charles “Chuck” Grassley [R-IA]
#24 38.8% Sen. Ron Wyden [D-OR]
#25 37.5% Sen. John Barrasso [R-WY]
#25 37.5% Sen. Mike Johanns [R-NE, 2009-2014]
#27 37.3% Sen. Robert “Bob” Menéndez [D-NJ]
#28 37.0% Sen. Charles “Chuck” Schumer [D-NY]
#29 36.7% Sen. Jeanne Shaheen [D-NH]
#3 58.3% Sen. John “Johnny” Isakson [R-GA]
#30 35.3% Sen. Kay Hagan [D-NC, 2009-2014]
#30 35.3% Sen. Mark Udall [D-CO, 2009-2014]
#32 35.0% Sen. Kelly Ayotte [R-NH, 2011-2016]
#32 35.0% Sen. Robert “Rob” Portman [R-OH]
#34 34.2% Sen. John “Jack” Reed [D-RI]
#35 33.3% Sen. Brian Schatz [D-HI]
#36 32.0% Sen. Susan Collins [R-ME]
#37 31.7% Sen. Richard Durbin [D-IL]
#38 31.4% Sen. Bill Nelson [D-FL]
#39 29.2% Sen. Mark Kirk [R-IL, 2010-2016]
#4 57.9% Sen. Chris Coons [D-DE]
#40 29.0% Sen. Patty Murray [D-WA]
#41 28.6% Sen. John Boozman [R-AR]
#41 28.6% Sen. Patrick “Pat” Toomey [R-PA]
#43 27.1% Sen. Robert “Bob” Casey [D-PA]
#44 25.0% Sen. Barbara Boxer [D-CA, 1993-2016]
#44 25.0% Sen. Claire McCaskill [D-MO]
#44 25.0% Sen. Jeff Merkley [D-OR]
#44 25.0% Sen. Michael Bennet [D-CO]
#48 24.1% Sen. Mark Begich [D-AK, 2009-2014]
#49 23.5% Sen. Lamar Alexander [R-TN]
#5 57.1% Sen. John Hoeven [R-ND]
#50 23.1% Sen. Barbara Mikulski [D-MD, 1987-2016]
#51 22.5% Sen. Thomas “Tom” Harkin [D-IA, 1985-2014]
#52 22.2% Sen. Richard Blumenthal [D-CT]
#53 21.9% Sen. John “Jay” Rockefeller [D-WV, 1985-2014]
#54 21.4% Sen. Alan “Al” Franken [D-MN, 2009-2017]
#55 21.2% Sen. John Cornyn [R-TX]
#56 21.1% Sen. Sheldon Whitehouse [D-RI]
#57 20.8% Sen. Carl Levin [D-MI, 1979-2014]
#58 20.5% Sen. Edward “Ed” Markey [D-MA]
#59 18.2% Sen. Richard Burr [R-NC]
#6 53.3% Sen. Maria Cantwell [D-WA]
#6 53.3% Sen. Michael Enzi [R-WY]
#6 53.3% Sen. Thomas Carper [D-DE]
#60 16.7% Sen. Orrin Hatch [R-UT]
#61 15.8% Sen. Thomas Coburn [R-OK, 2005-2014]
#62 15.4% Sen. Mitch McConnell [R-KY]
#63 14.5% Sen. Dianne Feinstein [D-CA]
#64 14.3% Sen. Dean Heller [R-NV]
#65 13.3% Sen. Kirsten Gillibrand [D-NY]
#66 11.4% Sen. Lisa Murkowski [R-AK]
#67 11.1% Sen. Pat Roberts [R-KS]
#68 10.5% Sen. James “Jim” Inhofe [R-OK]
#69 10.0% Sen. Marco Rubio [R-FL]
#70 9.1% Sen. Ted Cruz [R-TX]
#71 8.3% Sen. Tom Udall [D-NM]
#72 8.2% Sen. Bernard “Bernie” Sanders [I-VT]
#73 7.9% Sen. Rand Paul [R-KY]
#74 7.0% Sen. Harry Reid [D-NV, 1987-2016]
#75 5.9% Sen. Mike Lee [R-UT]
#76 4.5% Sen. David Vitter [R-LA, 2005-2016]
#9 52.9% Sen. Jerry Moran [R-KS]
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Only Members of Congress who sponsored more than 10 bills and resolutions are included in this statistic.

Additional Notes

The Speaker’s Votes: Missed votes are not computed for the Speaker of the House. According to current House rules, the Speaker of the House is not required to vote in “ordinary legislative proceedings.” In practice this means the Speaker of the House rarely votes but is not considered absent.

Leadership/Ideology: The leadership and ideology scores are not displayed for Members of Congress who introduced fewer than 10 bills, or, for ideology, for Members of Congress that have a low leadership score, as there is usually not enough data in these cases to compute reliable leadership and ideology statistics.

Missing Bills: We exclude bills from some statistics where the sponsor’s original intent is not in the final bill because the bill’s text was replaced in whole with unrelated provisions (i.e. it became a vehicle for passage of unrelated provisions).

Ranking Members (RkMembs): The chair of a committee is always selected from the political party that holds the most seats in the chamber, called the “majority party”. The “ranking member” (sometimes “RkMembs”) is the title given to the senior-most member of the committee not in the majority party.

Freshmen/Sophomores: Freshmen and sophomores are Members of Congress whose first term (in the same chamber at the end of 2013) was the 113th Congress (freshmen) or 112th (sophomores). Members of Congress who took office within the last few months of a Congress are considered freshmen in the next Congress as well.