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Markwayne Mullin

U.S. Senator, Oklahoma · Republican · former member

Votes with the Republican majority on 99.2% of party-line votes

99.2%

630 of 635 party-line votes

Votes against that majority

119th Congress, through March 23, 2026

Rank within party

16th lowest of 54

Among Senate Republicans with 50+ party-line votes

Markwayne Mullin (R-OK) voted with the Republican majority on 99.2% of the 635 party-line votes cast in the 119th Congress through March 23, 2026, and against it 5 times. Among 54 Senate Republicans with at least 50 such votes, that is the 16th-lowest score. Missed 40 of 723 roll calls (5.5%).

Source: Voteview roll-call data for the 119th Congress (through Sept. 30, 2026), files updated Oct. 1, 2026, 07:01 UTC. A party-line vote is one where most voting Democrats opposed most voting Republicans. Voteview profile · Congress.gov

By party

As	Period	Party-line score	Votes with own party	With Democrats	With Republicans	Rank
Republican	Jan. 9, 2025 – March 23, 2026	99.2%	630 of 635	0.8%	99.2%	16th-lowest of 54 Senate Republicans

Votes against the Republican majority

The 5 most recent of 5 party-line votes on which Markwayne Mullin voted against the Republican majority.

Date	Measure	Vote	Record
Jan. 30, 2026	H.R. 7148 To strike all earmarks. On the Motion to Table · Motion to Table Agreed to	Yea Republicans: Nay	Official record Voteview
Jan. 30, 2026	H.R. 7148 To eliminate funding for refugee and entrant assistance. On the Amendment · Amendment Rejected	Nay Republicans: Yea	Official record Voteview
Sept. 29, 2025	S. 2806 A bill to provide for automatic continuing appropriations. On Cloture on the Motion to Proceed · Cloture on the Motion to Proceed Rejected	Nay Republicans: Yea	Official record Voteview
Sept. 16, 2025	S.Con.Res. 22 A concurrent resolution setting forth the congressional budget for the United States Government for fiscal year 2026 and setting forth the appropriate budgetary levels for fiscal years 2027 through 2035. On the Motion to Proceed · Motion to Proceed Rejected	Nay Republicans: Yea	Official record Voteview
March 14, 2025	H.R. 1968 To reduce the amount appropriated for the United States Agency for International Development. On the Amendment · Amendment Rejected	Nay Republicans: Yea	Official record Voteview

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Markwayne Mullin

By party

Votes against the Republican majority

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