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2013 Report Cards
Senate Cmte. Chairs/RkMembs / Cosponsors

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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Cosponsors

The total number of cosponsors joining the bills written by each legislator in 2013.

Senate Cmte. Chairs/RkMembs
most cosponsors
#1 514 Sen. Robert “Bob” Menendez [D-NJ]
#2 384 Sen. Thomas “Tom” Harkin [D-IA, 1985-2014]
#3 303 Sen. Mary Landrieu [D-LA, 1997-2014]
#4 280 Sen. Benjamin Cardin [D-MD]
#5 257 Sen. Amy Klobuchar [D-MN]
#6 249 Sen. Barbara Boxer [D-CA, 1993-2016]
#7 242 Sen. Orrin Hatch [R-UT, 1977-2018]
#8 226 Sen. Patrick Leahy [D-VT]
#9 216 Sen. Charles “Chuck” Schumer [D-NY]
#10 202 Sen. Ron Wyden [D-OR]
#11 197 Sen. Bill Nelson [D-FL, 2001-2018]
#12 195 Sen. Max Baucus [D-MT, 1978-2014]
#13 194 Sen. David Vitter [R-LA, 2005-2016]
#14 180 Sen. Thomas Carper [D-DE]
#15 172 Sen. Dianne Feinstein [D-CA]
#16 162 Sen. Patty Murray [D-WA]
#17 159 Sen. John Barrasso [R-WY]
#18 147 Sen. John “Jay” Rockefeller [D-WV, 1985-2014]
#19 145 Sen. Debbie Stabenow [D-MI]
#19 145 Sen. John Thune [R-SD]
#21 142 Sen. Thomas Coburn [R-OK, 2005-2014]
#22 132 Sen. Bernard “Bernie” Sanders [I-VT]
#23 123 Sen. Pat Roberts [R-KS]
#24 121 Sen. Susan Collins [R-ME]
#25 105 Sen. Lamar Alexander [R-TN]
#26 96 Sen. Maria Cantwell [D-WA]
#27 93 Sen. Carl Levin [D-MI, 1979-2014]
#28 92 Sen. Lisa Murkowski [R-AK]
#29 88 Sen. James “Jim” Inhofe [R-OK]
#30 82 Sen. Charles “Chuck” Grassley [R-IA]
#31 81 Sen. Richard Shelby [R-AL]
#32 74 Sen. John “Johnny” Isakson [R-GA]
#33 72 Sen. Barbara Mikulski [D-MD, 1987-2016]
#34 67 Sen. Richard Burr [R-NC]
#35 31 Sen. Thad Cochran [R-MS, 1979-2018]
#36 30 Sen. Tim Johnson [D-SD, 1997-2014]
#37 26 Sen. Jefferson “Jeff” Sessions [R-AL, 1997-2017]
#38 25 Sen. Bob Corker [R-TN, 2007-2018]
#39 21 Sen. James Risch [R-ID]
#40 16 Sen. Saxby Chambliss [R-GA, 2003-2014]
#41 6 Sen. Michael Crapo [R-ID]
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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.

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