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2015 Report Cards
All Senators / Missed Votes

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.

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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Missed Votes

The percentage of votes each legislator missed in 2015.

All Senators
most absent
#1 35.4% Sen. Marco Rubio [R-FL]
#2 28.3% Sen. Lindsey Graham [R-SC]
#3 23.6% Sen. Ted Cruz [R-TX]
#4 16.8% Sen. David Vitter [R-LA, 2005-2016]
#5 16.5% Sen. Harry Reid [D-NV, 1987-2016]
#6 10.9% Sen. Barbara Boxer [D-CA, 1993-2016]
#7 8.3% Sen. Bernard “Bernie” Sanders [I-VT]
#8 7.1% Sen. Bill Nelson [D-FL, 2001-2018]
#9 6.5% Sen. Mark Kirk [R-IL, 2010-2016]
#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. Roy Blunt [R-MO]
#14 4.4% Sen. Barbara Mikulski [D-MD, 1987-2016]
#14 4.4% Sen. Jerry Moran [R-KS]
#17 3.8% Sen. Michael Enzi [R-WY]
#17 3.8% Sen. Jeff Flake [R-AZ, 2013-2018]
#17 3.8% Sen. Lisa Murkowski [R-AK]
#20 3.5% Sen. Chris Coons [D-DE]
#21 3.2% Sen. Bob Corker [R-TN, 2007-2018]
#21 3.2% Sen. John McCain [R-AZ, 1987-2018]
#23 2.9% Sen. Lamar Alexander [R-TN]
#23 2.9% Sen. Dianne Feinstein [D-CA]
#23 2.9% Sen. Dean Heller [R-NV, 2011-2018]
#23 2.9% Sen. Angus King [I-ME]
#27 2.7% Sen. Claire McCaskill [D-MO, 2007-2018]
#27 2.7% Sen. Dan Sullivan [R-AK]
#29 2.4% Sen. Edward “Ed” Markey [D-MA]
#30 2.1% Sen. Daniel Coats [R-IN, 2011-2016]
#30 2.1% Sen. Michael Crapo [R-ID]
#30 2.1% Sen. Alan “Al” Franken [D-MN, 2009-2017]
#30 2.1% Sen. Tim Scott [R-SC]
#30 2.1% Sen. Richard Shelby [R-AL]
#35 1.8% Sen. Sherrod Brown [D-OH]
#35 1.8% Sen. Cory Gardner [R-CO]
#35 1.8% Sen. Robert “Bob” Menendez [D-NJ]
#35 1.8% Sen. Robert “Rob” Portman [R-OH]
#39 1.5% Sen. Bill Cassidy [R-LA]
#39 1.5% Sen. Ron Johnson [R-WI]
#39 1.5% Sen. Joe Manchin [D-WV]
#39 1.5% Sen. Patty Murray [D-WA]
#39 1.5% Sen. Gary Peters [D-MI]
#39 1.5% Sen. Debbie Stabenow [D-MI]
#45 1.2% Sen. Thomas Carper [D-DE]
#45 1.2% Sen. Tom Cotton [R-AR]
#45 1.2% Sen. Jeff Merkley [D-OR]
#45 1.2% Sen. Pat Roberts [R-KS]
#45 1.2% Sen. Jefferson “Jeff” Sessions [R-AL, 1997-2017]
#45 1.2% Sen. Roger Wicker [R-MS]
#51 0.9% Sen. Cory Booker [D-NJ]
#51 0.9% Sen. John Boozman [R-AR]
#51 0.9% Sen. Richard Burr [R-NC]
#51 0.9% Sen. Thad Cochran [R-MS, 1979-2018]
#51 0.9% Sen. Joe Donnelly [D-IN, 2013-2018]
#51 0.9% Sen. James “Jim” Inhofe [R-OK]
#51 0.9% Sen. John “Johnny” Isakson [R-GA]
#51 0.9% Sen. Patrick Leahy [D-VT]
#51 0.9% Sen. James Risch [R-ID]
#51 0.9% Sen. Brian Schatz [D-HI]
#51 0.9% Sen. John Thune [R-SD]
#51 0.9% Sen. Tom Udall [D-NM]
#51 0.9% Sen. Ron Wyden [D-OR]
#64 0.6% Sen. Kelly Ayotte [R-NH, 2011-2016]
#64 0.6% Sen. Shelley Capito [R-WV]
#64 0.6% Sen. Richard Durbin [D-IL]
#64 0.6% Sen. Orrin Hatch [R-UT, 1977-2018]
#64 0.6% Sen. Martin Heinrich [D-NM]
#64 0.6% Sen. John Hoeven [R-ND]
#64 0.6% Sen. Amy Klobuchar [D-MN]
#64 0.6% Sen. Christopher Murphy [D-CT]
#64 0.6% Sen. Mike Rounds [R-SD]
#64 0.6% Sen. Benjamin Sasse [R-NE]
#64 0.6% Sen. Charles “Chuck” Schumer [D-NY]
#64 0.6% Sen. Jeanne Shaheen [D-NH]
#76 0.3% Sen. Richard Blumenthal [D-CT]
#76 0.3% Sen. Robert “Bob” Casey [D-PA]
#76 0.3% Sen. John Cornyn [R-TX]
#76 0.3% Sen. Kirsten Gillibrand [D-NY]
#76 0.3% Sen. Mazie Hirono [D-HI]
#76 0.3% Sen. Timothy “Tim” Kaine [D-VA]
#76 0.3% Sen. Jon Tester [D-MT]
#76 0.3% Sen. Thom Tillis [R-NC]
#84 0.0% Sen. Tammy Baldwin [D-WI]
#84 0.0% Sen. John Barrasso [R-WY]
#84 0.0% Sen. Michael Bennet [D-CO]
#84 0.0% Sen. Maria Cantwell [D-WA]
#84 0.0% Sen. Benjamin Cardin [D-MD]
#84 0.0% Sen. Susan Collins [R-ME]
#84 0.0% Sen. Steve Daines [R-MT]
#84 0.0% Sen. Joni Ernst [R-IA]
#84 0.0% Sen. Deb Fischer [R-NE]
#84 0.0% Sen. Charles “Chuck” Grassley [R-IA]
#84 0.0% Sen. Heidi Heitkamp [D-ND, 2013-2018]
#84 0.0% Sen. James Lankford [R-OK]
#84 0.0% Sen. Mitch McConnell [R-KY]
#84 0.0% Sen. David Perdue [R-GA]
#84 0.0% Sen. John “Jack” Reed [D-RI]
#84 0.0% Sen. Elizabeth Warren [D-MA]
#84 0.0% Sen. Sheldon Whitehouse [D-RI]
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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.