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2013 Report Cards
All Senators / Bills Cosponsored

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.

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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Bills Cosponsored

The number of bills cosponsored by each legislator in 2013.

All Senators
most bills
#1 272 Sen. Mark Begich [D-AK, 2009-2014]
#2 248 Sen. Richard Blumenthal [D-CT]
#3 239 Sen. Edward “Ed” Markey [D-MA]
#4 232 Sen. Kirsten Gillibrand [D-NY]
#5 231 Sen. Amy Klobuchar [D-MN]
#6 215 Sen. Sheldon Whitehouse [D-RI]
#7 211 Sen. Brian Schatz [D-HI]
#8 209 Sen. Roy Blunt [R-MO]
#9 207 Sen. Susan Collins [R-ME]
#9 207 Sen. Alan “Al” Franken [D-MN, 2009-2017]
#11 197 Sen. Richard Durbin [D-IL]
#12 196 Sen. Barbara Boxer [D-CA, 1993-2016]
#13 188 Sen. Christopher Coons [D-DE]
#14 186 Sen. John Boozman [R-AR]
#15 182 Sen. Jon Tester [D-MT]
#16 181 Sen. Michael Enzi [R-WY, 1997-2020]
#17 179 Sen. Charles “Chuck” Schumer [D-NY]
#18 175 Sen. Marco Rubio [R-FL]
#19 174 Sen. Benjamin Cardin [D-MD]
#20 170 Sen. Pat Roberts [R-KS, 1997-2020]
#21 169 Sen. John “Johnny” Isakson [R-GA, 2005-2019]
#22 166 Sen. Elizabeth Warren [D-MA]
#23 164 Sen. Sherrod Brown [D-OH]
#23 164 Sen. Jeff Merkley [D-OR]
#25 163 Sen. Saxby Chambliss [R-GA, 2003-2014]
#25 163 Sen. Jeanne Shaheen [D-NH]
#27 162 Sen. James “Jim” Inhofe [R-OK]
#28 160 Sen. Thad Cochran [R-MS, 1979-2018]
#28 160 Sen. James Risch [R-ID]
#30 159 Sen. Mary Landrieu [D-LA, 1997-2014]
#31 157 Sen. Michael “Mike” Crapo [R-ID]
#31 157 Sen. Roger Wicker [R-MS]
#33 151 Sen. Dean Heller [R-NV, 2011-2018]
#34 150 Sen. Ron Wyden [D-OR]
#35 149 Sen. David Vitter [R-LA, 2005-2016]
#36 148 Sen. Jerry Moran [R-KS]
#37 147 Sen. Thomas “Tom” Harkin [D-IA, 1985-2014]
#38 146 Sen. Lisa Murkowski [R-AK]
#39 144 Sen. Dianne Feinstein [D-CA]
#39 144 Sen. Christopher Murphy [D-CT]
#41 143 Sen. Martin Heinrich [D-NM]
#42 142 Sen. Kelly Ayotte [R-NH, 2011-2016]
#43 141 Sen. John Cornyn [R-TX]
#43 141 Sen. Mazie Hirono [D-HI]
#43 141 Sen. Patty Murray [D-WA]
#46 140 Sen. Robert “Bob” Menendez [D-NJ]
#47 138 Sen. Mark Kirk [R-IL, 2010-2016]
#47 138 Sen. John Thune [R-SD]
#49 136 Sen. Mike Johanns [R-NE, 2009-2014]
#49 136 Sen. Tim Johnson [D-SD, 1997-2014]
#51 132 Sen. Robert “Bob” Casey [D-PA]
#51 132 Sen. Charles “Chuck” Grassley [R-IA]
#51 132 Sen. Barbara Mikulski [D-MD, 1987-2016]
#51 132 Sen. Tom Udall [D-NM, 2009-2020]
#55 130 Sen. Richard Burr [R-NC]
#55 130 Sen. Robert “Rob” Portman [R-OH]
#57 129 Sen. Patrick Leahy [D-VT]
#57 129 Sen. Bernard “Bernie” Sanders [I-VT]
#57 129 Sen. Debbie Stabenow [D-MI]
#60 128 Sen. John Barrasso [R-WY]
#61 123 Sen. Angus King [I-ME]
#62 122 Sen. Thomas Coburn [R-OK, 2005-2014]
#63 116 Sen. Kay Hagan [D-NC, 2009-2014]
#63 116 Sen. Bill Nelson [D-FL, 2001-2018]
#65 113 Sen. John “Jack” Reed [D-RI]
#66 109 Sen. Orrin Hatch [R-UT, 1977-2018]
#67 106 Sen. Tammy Baldwin [D-WI]
#67 106 Sen. Michael Bennet [D-CO]
#69 104 Sen. Mark Udall [D-CO, 2009-2014]
#70 102 Sen. Max Baucus [D-MT, 1978-2014]
#70 102 Sen. Carl Levin [D-MI, 1979-2014]
#70 102 Sen. Joe Manchin [D-WV]
#73 101 Sen. Heidi Heitkamp [D-ND, 2013-2018]
#73 101 Sen. Mark Pryor [D-AR, 2003-2014]
#75 99 Sen. John “Jay” Rockefeller [D-WV, 1985-2014]
#76 98 Sen. John Hoeven [R-ND]
#76 98 Sen. Mark Warner [D-VA]
#78 97 Sen. Mike Lee [R-UT]
#78 97 Sen. Jefferson “Jeff” Sessions [R-AL, 1997-2017]
#80 95 Sen. Lamar Alexander [R-TN, 2003-2020]
#80 95 Sen. Deb Fischer [R-NE]
#80 95 Sen. Lindsey Graham [R-SC]
#83 94 Sen. Ron Johnson [R-WI]
#84 92 Sen. Maria Cantwell [D-WA]
#85 89 Sen. Mitch McConnell [R-KY]
#86 86 Sen. Daniel Coats [R-IN, 2011-2016]
#87 84 Sen. Claire McCaskill [D-MO, 2007-2018]
#87 84 Sen. Patrick “Pat” Toomey [R-PA]
#89 83 Sen. Jeff Flake [R-AZ, 2013-2018]
#90 76 Sen. Tim Scott [R-SC]
#91 73 Sen. Timothy “Tim” Kaine [D-VA]
#92 72 Sen. Rand Paul [R-KY]
#93 68 Sen. Thomas Carper [D-DE]
#94 66 Sen. Ted Cruz [R-TX]
#94 66 Sen. John McCain [R-AZ, 1987-2018]
#96 59 Sen. Joe Donnelly [D-IN, 2013-2018]
#97 54 Sen. Bob Corker [R-TN, 2007-2018]
#98 48 Sen. Harry Reid [D-NV, 1987-2016]
#99 27 Sen. Richard Shelby [R-AL]
#100 8 Sen. Cory Booker [D-NJ]
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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 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.