The Vote Ledger
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Data through Sep 17, 2026Compare members
The Vote Ledger
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Markwayne Mullin

Senator from Oklahoma
SENATEREPUBLICAN2013–nowID M001190
Compare
LegislationHEADLINE
2%with Dems
of 4,151 votes
Nominations
2%with Dems
of 710 · confirmations only
All contested
2%with Dems
of 4,861 · both combined
Steepest move
+8 pts
2021 → 2023
still a Republican

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 ↓201320192025
2025–26119th Congress
Sat as a Republican
1.7%with Democrats
legislation only
Votes for this Congress are open below
Steepest move: 2021 → 2023, +8 pts — within one party label.
Sat as a DemocratSat as a RepublicanVotes available below

Votes

DateBillVoteTypeCastSided with
Mar 23, 2026noneMarkwayne Mullin, of Oklahoma, to be Secretary of Homeland SecurityNOMINATIONYEAREP MAJORITY
Mar 22, 2026noneMarkwayne Mullin, of Oklahoma, to be Secretary of Homeland SecurityNOMINATIONYEAREP MAJORITY
Mar 21, 2026S. 1383A bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes.LEGISLATIONNAYREP MAJORITY
Full textA bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes.Party majoritiesDemocrats Yea · Republicans NayCounts toward scoreYes — the parties split.
Where this lands
NAYSided with the Republican majority
Mar 21, 2026S. 1383To protect women and girls in athletics.LEGISLATIONYEAREP MAJORITY
Mar 20, 2026H.R. 7147A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes.LEGISLATIONYEAREP MAJORITY
Mar 18, 2026S.J.Res. 118A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.LEGISLATIONNAYREP MAJORITY
Mar 17, 2026S. 1383A bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes.LEGISLATIONYEAREP MAJORITY
Mar 17, 2026noneAnna St. John, of Louisiana, to be United States District Judge for the Eastern District of LouisianaNOMINATIONYEAREP MAJORITY
Mar 17, 2026noneAnna St. John, of Louisiana, to be United States District Judge for the Eastern District of LouisianaNOMINATIONYEAREP MAJORITY
9 most recent roll calls shown · 635 contested votes scored in the 119th CongressAll votes this Congress →

By policy area

career · legislation
Congress0.5% · 1,016 votes
Economics and Public Finance4.6% · 927 votes
Armed Forces and National Security2.2% · 357 votes
Government Operations and Politics0.8% · 248 votes
Finance and Financial Sector0.6% · 178 votes
Environmental Protection0% · 146 votes
Energy0.8% · 132 votes
Public Lands and Natural Resources1.7% · 118 votes
Health0.9% · 108 votes
Labor and Employment1.2% · 83 votes
Transportation and Public Works8.6% · 81 votes
Taxation1.3% · 79 votes
Crime and Law Enforcement4.1% · 74 votes
International Affairs1.6% · 64 votes
Agriculture and Food7.1% · 56 votes
Law0% · 56 votes
Emergency Management10.9% · 55 votes
Immigration2% · 50 votes
Education2% · 49 votes
Science, Technology, Communications0% · 36 votes
Water Resources Development0% · 36 votes
Civil Rights and Liberties, Minority Issues0% · 21 votes
Commerce0% · 18 votes
Foreign Trade and International Finance0% · 17 votes
Native Americans31.3% · 16 votes
Social Welfare31.3% · 16 votes
Housing and Community Development0% · 12 votes
Too few contested votes to score
Animals— · 7 votes
Families— · 4 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

7 Congresses
113th · 2013118th · 2023119th · 2025
Republican · House · OK113th–117th
Republican · Senate · OK118th–119th
Term datesexact
Members · Oklahoma
MM

Markwayne Mullin

Senator from Oklahoma
SENATER2013–now7 CONGRESSES
Compare
LegislationHEADLINE
2.4%with Democrats
of 4,151 votes · 97.6% with Republicans
Nominations2%of 710 votes
All contested2%of 4,861 · combined
Steepest move+8 pts2021→23, as a Republican

Career arc

10050020132025
2025–26 · 119th · Republican1.7%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea
Republican majorityNay
Counts toward scoreYes
Open roll call
Latest 6 shown · 635 contested votes scored in the 119th

By policy area

career
Congress0.5% · 1,016
Economics and Public Finance4.6% · 927
Armed Forces and National Security2.2% · 357
Government Operations and Politics0.8% · 248
Finance and Financial Sector0.6% · 178
Environmental Protection0% · 146
Energy0.8% · 132
Public Lands and Natural Resources1.7% · 118
Health0.9% · 108
Labor and Employment1.2% · 83
Transportation and Public Works8.6% · 81
Taxation1.3% · 79
Crime and Law Enforcement4.1% · 74
International Affairs1.6% · 64
Agriculture and Food7.1% · 56
Law0% · 56
Emergency Management10.9% · 55
Immigration2% · 50
Education2% · 49
Science, Technology, Communications0% · 36
Water Resources Development0% · 36
Civil Rights and Liberties, Minority Issues0% · 21
Commerce0% · 18
Foreign Trade and International Finance0% · 17
Native Americans31.3% · 16
Social Welfare31.3% · 16
Housing and Community Development0% · 12
Animals— · 7
Families— · 4
Sports and Recreation— · 1

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

Service record

113th · 2013119th · 2025
Republican113th–117th
Republican118th–119th

Party switchers

John Alexander LoganD→R · IL · 40thWesley Wade WatkinsD→R · OK · 105thBen Nighthorse CampbellD→R · CO · 104th
AD320 × 50 · Anchor