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Data through Sep 17, 2026Compare members
The Vote Ledger
MU

Mark Udall

Senator from Colorado
SENATEDEMOCRAT1999–2015ID U000038
Compare
LegislationHEADLINE
93%with Dems
of 4,090 votes
Nominations
100%with Dems
of 272 · confirmations only
All contested
94%with Dems
of 4,362 · both combined
Steepest move
+4 pts
2011 → 2013
still a Democrat

Career arc

Legislation leads. Each point is one Congress: how often they sided with the Democratic majority on contested bills, resolutions and amendments.

100%75%50%25%0%sides with Democrats ↑sides with Republicans ↓199920052011
2013–14113th Congress
Sat as a Democrat
94.9%with Democrats
legislation only
Votes for this Congress are open below
Steepest move: 2011 → 2013, +4 pts — while still a Democrat.
Sat as a DemocratSat as a RepublicanVotes available below

Votes

DateBillVoteTypeCastSided with
Dec 16, 2014noneStephen R. Bough, of Missouri, to be United States District Judge for the Western District of MissouriNOMINATIONYEADEM MAJORITY
Dec 16, 2014noneStephen R. Bough, of Missouri, to be United States District Judge for the Western District of MissouriNOMINATIONYEADEM MAJORITY
Dec 16, 2014H.R. 5771To amend the Internal Revenue Code of 1986 to extend certain expiring provisions and make technical corrections, to amend the Internal Revenue Code of 1986 to provide for the tax treatment of ABLE accounts established under State programs for the care of family members with disabilities, and for other purposes.LEGISLATIONYEABOTH · NOT SCORED
Full textTo amend the Internal Revenue Code of 1986 to extend certain expiring provisions and make technical corrections, to amend the Internal Revenue Code of 1986 to provide for the tax treatment of ABLE accounts established under State programs for the care of family members with disabilities, and for other purposes.Party majoritiesDemocrats Yea · Republicans YeaCounts toward scoreNo — both party majorities voted Yea.
Where this lands
YEAVoted with both majorities — not scored
Dec 16, 2014noneColette Dodson Honorable, of Arkansas, to be a Member of the Federal Energy Regulatory Commission for the remainder of the term expiring June 30, 2017NOMINATIONYEADEM MAJORITY
Dec 16, 2014noneAntony Blinken, of New York, to be Deputy Secretary of StateNOMINATIONYEADEM MAJORITY
Dec 16, 2014noneAntony Blinken, of New York, to be Deputy Secretary of StateNOMINATIONYEADEM MAJORITY
Dec 16, 2014noneSarah R. Saldana, of Texas, to be an Assistant Secretary of Homeland SecurityNOMINATIONYEADEM MAJORITY
Dec 16, 2014noneSarah R. Saldana, of Texas, to be an Assistant Secretary of Homeland SecurityNOMINATIONYEADEM MAJORITY
Dec 15, 2014noneFrank A. Rose, of Massachusetts, to be an Assistant Secretary of State (Verification and Compliance)NOMINATIONYEADEM MAJORITY
9 most recent roll calls shown · 417 contested votes scored in the 113th CongressAll votes this Congress →

By policy area

career · legislation
Economics and Public Finance92.1% · 1,066 votes
Congress98.1% · 912 votes
Taxation92.2% · 219 votes
Armed Forces and National Security90.4% · 198 votes
Health97% · 197 votes
Finance and Financial Sector92.9% · 113 votes
Government Operations and Politics90.7% · 108 votes
Transportation and Public Works88% · 100 votes
Labor and Employment94.9% · 98 votes
Agriculture and Food86.2% · 94 votes
Crime and Law Enforcement86.7% · 90 votes
Energy100% · 86 votes
International Affairs91.6% · 83 votes
Education93.8% · 80 votes
Public Lands and Natural Resources92.2% · 77 votes
Emergency Management92.9% · 70 votes
Law95.2% · 63 votes
Housing and Community Development95.2% · 62 votes
Foreign Trade and International Finance83.9% · 56 votes
Commerce81.4% · 43 votes
Immigration88.2% · 34 votes
Science, Technology, Communications87.5% · 32 votes
Commemorations100% · 19 votes
Civil Rights and Liberties, Minority Issues93.8% · 16 votes
Social Welfare80% · 15 votes
Water Resources Development100% · 14 votes
Environmental Protection100% · 13 votes
Native Americans91.7% · 12 votes
Too few contested votes to score
Animals— · 8 votes
Families— · 6 votes
Sports and Recreation— · 1 vote

They also voted in 1 area where the parties never split, so there is nothing to score — never on a contested question: Arts, Culture, Religion.

Blue is the share of votes siding with the Democratic majority; the tick marks 50%.

Service record

8 Congresses
106th · 1999111th · 2009113th · 2013
Democrat · House · CO106th–110th
Democrat · Senate · CO111th–113th
Term datesexact
Members · Colorado
MU

Mark Udall

Senator from Colorado
SENATED1999–20158 CONGRESSES
Compare
LegislationHEADLINE
93.1%with Democrats
of 4,090 votes · 6.9% with Republicans
Nominations100%of 272 votes
All contested94%of 4,362 · combined
Steepest move+4 pts2011→13, as a Democrat

Career arc

10050019992013
2013–14 · 113th · Democrat94.9%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea
Republican majorityYea
Counts toward scoreNo
Open roll call
Latest 6 shown · 417 contested votes scored in the 113th

By policy area

career
Economics and Public Finance92.1% · 1,066
Congress98.1% · 912
Taxation92.2% · 219
Armed Forces and National Security90.4% · 198
Health97% · 197
Finance and Financial Sector92.9% · 113
Government Operations and Politics90.7% · 108
Transportation and Public Works88% · 100
Labor and Employment94.9% · 98
Agriculture and Food86.2% · 94
Crime and Law Enforcement86.7% · 90
Energy100% · 86
International Affairs91.6% · 83
Education93.8% · 80
Public Lands and Natural Resources92.2% · 77
Emergency Management92.9% · 70
Law95.2% · 63
Housing and Community Development95.2% · 62
Foreign Trade and International Finance83.9% · 56
Commerce81.4% · 43
Immigration88.2% · 34
Science, Technology, Communications87.5% · 32
Commemorations100% · 19
Civil Rights and Liberties, Minority Issues93.8% · 16
Social Welfare80% · 15
Water Resources Development100% · 14
Environmental Protection100% · 13
Native Americans91.7% · 12
Animals— · 8
Families— · 6
Sports and Recreation— · 1

Also voted in 1 area where the parties never split — never on a contested question: Arts, Culture, Religion.

Service record

106th · 1999113th · 2013
Democrat106th–110th
Democrat111th–113th

Party switchers

John Alexander LoganD→R · IL · 40thWesley Wade WatkinsD→R · OK · 105thBen Nighthorse CampbellD→R · CO · 104th
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