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2014 Report Cards: Senate Democrats

These statistics dissect the legislative records of Members of Congress during the 113th Congress (Jan 3, 2013-Jan 2, 2015), as of Jan 12, 2015.

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Ideology Score

Our unique ideology analysis assigns a score to Members of Congress according to their legislative behavior by how similar the pattern of bills and resolutions they cosponsor are to other Members of Congress. The score can be interpreted as a conservative—liberal scale, although of course it only takes into account a small aspect of reality.

Senate Democrats
most conservative
#1 0.52 Sen. Joe Manchin [D-WV]
#2 0.46 Sen. Mark Pryor [D-AR, 2003-2014]
#3 0.43 Sen. Joe Donnelly [D-IN]
#4 0.40 Sen. Heidi Heitkamp [D-ND]
#5 0.38 Sen. Claire McCaskill [D-MO]
#6 0.32 Sen. Mark Warner [D-VA]
#7 0.32 Sen. Bill Nelson [D-FL]
#8 0.32 Sen. John Walsh [D-MT, 2014-2014]
#9 0.30 Sen. Kay Hagan [D-NC, 2009-2014]
#10 0.30 Sen. Jon Tester [D-MT]
#11 0.29 Sen. Harry Reid [D-NV, 1987-2016]
#12 0.29 Sen. Thomas Carper [D-DE]
#13 0.28 Sen. Mary Landrieu [D-LA, 1997-2014]
#14 0.27 Sen. Timothy Kaine [D-VA]
#15 0.26 Sen. Michael Bennet [D-CO]
#16 0.26 Sen. Tim Johnson [D-SD, 1997-2014]
#17 0.25 Sen. Mark Udall [D-CO, 2009-2014]
#18 0.24 Sen. Robert “Bob” Casey [D-PA]
#19 0.22 Sen. Amy Klobuchar [D-MN]
#20 0.21 Sen. Mark Begich [D-AK, 2009-2014]
#21 0.19 Sen. Tom Udall [D-NM]
#22 0.18 Sen. Chris Coons [D-DE]
#23 0.18 Sen. Carl Levin [D-MI, 1979-2014]
#24 0.18 Sen. Ron Wyden [D-OR]
#25 0.16 Sen. Maria Cantwell [D-WA]
#26 0.16 Sen. Martin Heinrich [D-NM]
#27 0.16 Sen. Jeanne Shaheen [D-NH]
#28 0.16 Sen. Cory Booker [D-NJ]
#29 0.15 Sen. John “Jay” Rockefeller [D-WV, 1985-2014]
#30 0.14 Sen. Dianne Feinstein [D-CA]
#31 0.14 Sen. Barbara Mikulski [D-MD, 1987-2016]
#32 0.14 Sen. Tammy Baldwin [D-WI]
#33 0.13 Sen. Debbie Stabenow [D-MI]
#34 0.13 Sen. Thomas “Tom” Harkin [D-IA, 1985-2014]
#35 0.12 Sen. Christopher Murphy [D-CT]
#36 0.12 Sen. Benjamin Cardin [D-MD]
#37 0.12 Sen. Richard Durbin [D-IL]
#38 0.11 Sen. Patrick Leahy [D-VT]
#39 0.11 Sen. John “Jack” Reed [D-RI]
#40 0.10 Sen. Mazie Hirono [D-HI]
#41 0.10 Sen. Alan “Al” Franken [D-MN]
#42 0.09 Sen. Robert “Bob” Menéndez [D-NJ]
#43 0.09 Sen. Charles “Chuck” Schumer [D-NY]
#44 0.09 Sen. Patty Murray [D-WA]
#45 0.08 Sen. Sherrod Brown [D-OH]
#46 0.08 Sen. Kirsten Gillibrand [D-NY]
#47 0.05 Sen. Edward “Ed” Markey [D-MA]
#48 0.03 Sen. Richard Blumenthal [D-CT]
#49 0.03 Sen. Elizabeth Warren [D-MA]
#50 0.02 Sen. Sheldon Whitehouse [D-RI]
#51 0.02 Sen. Barbara Boxer [D-CA, 1993-2016]
#52 0.01 Sen. Jeff Merkley [D-OR]
#53 0.00 Sen. Brian Schatz [D-HI]
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For more, see our methodology. An ideology score is not computed for Members of Congress who introduced fewer than 10 bills or who have a low leadership score, as there is usually not enough data in these cases to compute reliable statistics. Note that because on this page only legislative activity in the 113th Congress is considered, the ideology score here may differ from those elsewhere on GovTrack.

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.

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 the 113th Congress) 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.