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2017 Report Cards
All Senators / Powerful Cosponsors

These special year-end statistics dissect the legislative records of Members of Congress during the 2017 legislative year (Jan 3, 2017-Dec 31, 2017), looking at Members who served at the end of that period. This page was last updated on Jan 6, 2018.

A higher or lower number below doesn’t necessarily make a legislator any better or worse, or more or less effective, than other Members of Congress. We present these statistics for you to understand the quantitative aspects of legislating and make your own judgements based on what legislative activities you think are important.

Keep in mind that there are many important aspects of being a legislator besides what can be measured, such as constituent services and performing oversight of the executive branch, which aren’t reflected here.

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Powerful Cosponsors

The number of bills that each legislator introduced in 2017 that had a cosponsor who was a chair or ranking member of a committee that the bill was referred to. Getting support from committee leaders on relevant committees is a crucial step in moving legislation forward.

All Senators
most often
#1 21 Sen. Charles “Chuck” Grassley [R-IA]
#2 12 Sen. Benjamin Cardin [D-MD]
#2 12 Sen. Orrin Hatch [R-UT, 1977-2018]
#2 12 Sen. Marco Rubio [R-FL]
#5 11 Sen. John Thune [R-SD]
#6 10 Sen. John Cornyn [R-TX]
#6 10 Sen. Roger Wicker [R-MS]
#8 9 Sen. Dan Sullivan [R-AK]
#9 8 Sen. John Barrasso [R-WY]
#9 8 Sen. Richard Blumenthal [D-CT]
#9 8 Sen. Mazie Hirono [D-HI]
#9 8 Sen. Amy Klobuchar [D-MN]
#13 7 Sen. Steve Daines [R-MT]
#14 6 Sen. Thomas Carper [D-DE]
#14 6 Sen. Jeff Flake [R-AZ, 2013-2018]
#14 6 Sen. Kirsten Gillibrand [D-NY]
#14 6 Sen. Lindsey Graham [R-SC]
#14 6 Sen. John “Johnny” Isakson [R-GA]
#14 6 Sen. Ron Johnson [R-WI]
#14 6 Sen. Mike Lee [R-UT]
#14 6 Sen. Gary Peters [D-MI]
#14 6 Sen. Jeanne Shaheen [D-NH]
#14 6 Sen. Elizabeth Warren [D-MA]
#24 5 Sen. Sherrod Brown [D-OH]
#24 5 Sen. Michael Crapo [R-ID]
#24 5 Sen. Joni Ernst [R-IA]
#24 5 Sen. Dianne Feinstein [D-CA]
#24 5 Sen. Patrick Leahy [D-VT]
#24 5 Sen. John McCain [R-AZ, 1987-2018]
#24 5 Sen. Patty Murray [D-WA]
#24 5 Sen. Robert “Rob” Portman [R-OH]
#24 5 Sen. Jon Tester [D-MT]
#24 5 Sen. Sheldon Whitehouse [D-RI]
#34 4 Sen. Tammy Baldwin [D-WI]
#34 4 Sen. Cory Booker [D-NJ]
#34 4 Sen. Bill Cassidy [R-LA]
#34 4 Sen. Tammy Duckworth [D-IL]
#34 4 Sen. Deb Fischer [R-NE]
#34 4 Sen. Alan “Al” Franken [D-MN, 2009-2017]
#34 4 Sen. Tom Udall [D-NM]
#41 3 Sen. Roy Blunt [R-MO]
#41 3 Sen. Bob Corker [R-TN, 2007-2018]
#41 3 Sen. Joe Donnelly [D-IN, 2013-2018]
#41 3 Sen. Martin Heinrich [D-NM]
#41 3 Sen. James “Jim” Inhofe [R-OK]
#41 3 Sen. Angus King [I-ME]
#41 3 Sen. James Lankford [R-OK]
#41 3 Sen. Joe Manchin [D-WV]
#41 3 Sen. Edward “Ed” Markey [D-MA]
#41 3 Sen. Robert “Bob” Menendez [D-NJ]
#41 3 Sen. Jeff Merkley [D-OR]
#41 3 Sen. Christopher Murphy [D-CT]
#41 3 Sen. Pat Roberts [R-KS]
#41 3 Sen. Benjamin Sasse [R-NE]
#41 3 Sen. Patrick “Pat” Toomey [R-PA]
#56 2 Sen. Michael Bennet [D-CO]
#56 2 Sen. Richard Burr [R-NC]
#56 2 Sen. Maria Cantwell [D-WA]
#56 2 Sen. Robert “Bob” Casey [D-PA]
#56 2 Sen. Ted Cruz [R-TX]
#56 2 Sen. Richard Durbin [D-IL]
#56 2 Sen. Margaret “Maggie” Hassan [D-NH]
#56 2 Sen. Dean Heller [R-NV, 2011-2018]
#56 2 Sen. John Hoeven [R-ND]
#56 2 Sen. Timothy “Tim” Kaine [D-VA]
#56 2 Sen. Mitch McConnell [R-KY]
#56 2 Sen. Jerry Moran [R-KS]
#56 2 Sen. Lisa Murkowski [R-AK]
#56 2 Sen. Bill Nelson [D-FL, 2001-2018]
#56 2 Sen. John “Jack” Reed [D-RI]
#56 2 Sen. James Risch [R-ID]
#56 2 Sen. Brian Schatz [D-HI]
#56 2 Sen. Tim Scott [R-SC]
#56 2 Sen. Debbie Stabenow [D-MI]
#56 2 Sen. Chris Van Hollen [D-MD]
#56 2 Sen. Mark Warner [D-VA]
#56 2 Sen. Todd Young [R-IN]
#78 1 Sen. Lamar Alexander [R-TN]
#78 1 Sen. John Boozman [R-AR]
#78 1 Sen. Susan Collins [R-ME]
#78 1 Sen. Catherine Cortez Masto [D-NV]
#78 1 Sen. Michael Enzi [R-WY]
#78 1 Sen. Cory Gardner [R-CO]
#78 1 Sen. Kamala Harris [D-CA]
#78 1 Sen. Heidi Heitkamp [D-ND, 2013-2018]
#78 1 Sen. Claire McCaskill [D-MO, 2007-2018]
#78 1 Sen. Rand Paul [R-KY]
#78 1 Sen. Mike Rounds [R-SD]
#78 1 Sen. Bernard “Bernie” Sanders [I-VT]
#78 1 Sen. Charles “Chuck” Schumer [D-NY]
#78 1 Sen. Thom Tillis [R-NC]
#78 1 Sen. Ron Wyden [D-OR]
#93 0 Sen. Shelley Capito [R-WV]
#93 0 Sen. Thad Cochran [R-MS, 1979-2018]
#93 0 Sen. Chris Coons [D-DE]
#93 0 Sen. Tom Cotton [R-AR]
#93 0 Sen. John Kennedy [R-LA]
#93 0 Sen. David Perdue [R-GA]
#93 0 Sen. Richard Shelby [R-AL]
#93 0 Sen. Luther Strange [R-AL, 2017-2017]
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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 2017) was the 115th Congress (freshmen) or 114th (sophomores). Members of Congress who took office within the last few months of a Congress are considered freshmen in the next Congress as well.

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