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2015 Report Cards: All Senators

These special year-end statistics dissect the legislative records of Members of Congress during the 2015 legislative year (Jan 6, 2015-Dec 31, 2015), looking at Members who served at the end of that period. This page was last updated on Jan 9, 2016.

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Missed Votes

The percentage of votes each legislator missed in 2015.

All Senators
most absent
#1 35.4% Sen. Marco Rubio [R-FL]
#10 5.9% Sen. Mike Lee [R-UT]
#10 5.9% Sen. Rand Paul [R-KY]
#12 5.6% Sen. Patrick “Pat” Toomey [R-PA]
#13 5.0% Sen. Mark Warner [D-VA]
#14 4.4% Sen. Barbara Mikulski [D-MD, 1987-2016]
#14 4.4% Sen. Jerry Moran [R-KS]
#14 4.4% Sen. Roy Blunt [R-MO]
#17 3.8% Sen. Jeff Flake [R-AZ]
#17 3.8% Sen. Lisa Murkowski [R-AK]
#17 3.8% Sen. Michael Enzi [R-WY]
#2 28.3% Sen. Lindsey Graham [R-SC]
#20 3.5% Sen. Chris Coons [D-DE]
#21 3.2% Sen. Bob Corker [R-TN]
#21 3.2% Sen. John McCain [R-AZ, 1987-2018]
#23 2.9% Sen. Angus King [I-ME]
#23 2.9% Sen. Dean Heller [R-NV]
#23 2.9% Sen. Dianne Feinstein [D-CA]
#23 2.9% Sen. Lamar Alexander [R-TN]
#27 2.7% Sen. Claire McCaskill [D-MO]
#27 2.7% Sen. Dan Sullivan [R-AK]
#29 2.4% Sen. Edward “Ed” Markey [D-MA]
#3 23.6% Sen. Ted Cruz [R-TX]
#30 2.1% Sen. Alan “Al” Franken [D-MN, 2009-2017]
#30 2.1% Sen. Daniel Coats [R-IN, 2011-2016]
#30 2.1% Sen. Michael Crapo [R-ID]
#30 2.1% Sen. Richard Shelby [R-AL]
#30 2.1% Sen. Tim Scott [R-SC]
#35 1.8% Sen. Cory Gardner [R-CO]
#35 1.8% Sen. Robert “Bob” Menéndez [D-NJ]
#35 1.8% Sen. Robert “Rob” Portman [R-OH]
#35 1.8% Sen. Sherrod Brown [D-OH]
#39 1.5% Sen. Bill Cassidy [R-LA]
#39 1.5% Sen. Debbie Stabenow [D-MI]
#39 1.5% Sen. Gary Peters [D-MI]
#39 1.5% Sen. Joe Manchin [D-WV]
#39 1.5% Sen. Patty Murray [D-WA]
#39 1.5% Sen. Ron Johnson [R-WI]
#4 16.8% Sen. David Vitter [R-LA, 2005-2016]
#45 1.2% Sen. Jeff Merkley [D-OR]
#45 1.2% Sen. Jefferson “Jeff” Sessions [R-AL, 1997-2017]
#45 1.2% Sen. Pat Roberts [R-KS]
#45 1.2% Sen. Roger Wicker [R-MS]
#45 1.2% Sen. Thomas Carper [D-DE]
#45 1.2% Sen. Tom Cotton [R-AR]
#5 16.5% Sen. Harry Reid [D-NV, 1987-2016]
#51 0.9% Sen. Brian Schatz [D-HI]
#51 0.9% Sen. Cory Booker [D-NJ]
#51 0.9% Sen. James Risch [R-ID]
#51 0.9% Sen. James “Jim” Inhofe [R-OK]
#51 0.9% Sen. Joe Donnelly [D-IN]
#51 0.9% Sen. John Boozman [R-AR]
#51 0.9% Sen. John Thune [R-SD]
#51 0.9% Sen. John “Johnny” Isakson [R-GA]
#51 0.9% Sen. Patrick Leahy [D-VT]
#51 0.9% Sen. Richard Burr [R-NC]
#51 0.9% Sen. Ron Wyden [D-OR]
#51 0.9% Sen. Thad Cochran [R-MS, 1979-2018]
#51 0.9% Sen. Tom Udall [D-NM]
#6 10.9% Sen. Barbara Boxer [D-CA, 1993-2016]
#64 0.6% Sen. Amy Klobuchar [D-MN]
#64 0.6% Sen. Benjamin Sasse [R-NE]
#64 0.6% Sen. Charles “Chuck” Schumer [D-NY]
#64 0.6% Sen. Christopher Murphy [D-CT]
#64 0.6% Sen. Jeanne Shaheen [D-NH]
#64 0.6% Sen. John Hoeven [R-ND]
#64 0.6% Sen. Kelly Ayotte [R-NH, 2011-2016]
#64 0.6% Sen. Martin Heinrich [D-NM]
#64 0.6% Sen. Mike Rounds [R-SD]
#64 0.6% Sen. Orrin Hatch [R-UT]
#64 0.6% Sen. Richard Durbin [D-IL]
#64 0.6% Sen. Shelley Capito [R-WV]
#7 8.3% Sen. Bernard “Bernie” Sanders [I-VT]
#76 0.3% Sen. John Cornyn [R-TX]
#76 0.3% Sen. Jon Tester [D-MT]
#76 0.3% Sen. Kirsten Gillibrand [D-NY]
#76 0.3% Sen. Mazie Hirono [D-HI]
#76 0.3% Sen. Richard Blumenthal [D-CT]
#76 0.3% Sen. Robert “Bob” Casey [D-PA]
#76 0.3% Sen. Thom Tillis [R-NC]
#76 0.3% Sen. Timothy Kaine [D-VA]
#8 7.1% Sen. Bill Nelson [D-FL]
#84 0.0% Sen. Benjamin Cardin [D-MD]
#84 0.0% Sen. Charles “Chuck” Grassley [R-IA]
#84 0.0% Sen. David Perdue [R-GA]
#84 0.0% Sen. Deb Fischer [R-NE]
#84 0.0% Sen. Elizabeth Warren [D-MA]
#84 0.0% Sen. Heidi Heitkamp [D-ND]
#84 0.0% Sen. James Lankford [R-OK]
#84 0.0% Sen. John Barrasso [R-WY]
#84 0.0% Sen. John “Jack” Reed [D-RI]
#84 0.0% Sen. Joni Ernst [R-IA]
#84 0.0% Sen. Maria Cantwell [D-WA]
#84 0.0% Sen. Michael Bennet [D-CO]
#84 0.0% Sen. Mitch McConnell [R-KY]
#84 0.0% Sen. Sheldon Whitehouse [D-RI]
#84 0.0% Sen. Steve Daines [R-MT]
#84 0.0% Sen. Susan Collins [R-ME]
#84 0.0% Sen. Tammy Baldwin [D-WI]
#9 6.5% Sen. Mark Kirk [R-IL, 2010-2016]
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The Speaker of the House is not included in this statistic because according to current House rules, the Speaker of the House is not required to vote in “ordinary legislative proceedings, and the delegates from the five island territories and the District of Columbia are also not included because they were not elligible to vote in any roll call votes.

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 2015) was the 114th Congress (freshmen) or 113th (sophomores). Members of Congress who took office within the last few months of a Congress are considered freshmen in the next Congress as well.