Photo of Markwayne Mullin
R United States Senate · Oklahoma

Sen. Markwayne Mullin

Compare
Total votes
1,513
all sessions
Attendance
90%
155 missed
Lower than 97% of chamber peers
With party
94%
of cast votes
Near the chamber average
Bipartisan score
3%
crosses aisle rarely
Near the chamber average
Sponsored
807
bills & resolutions
Lower than 93% of chamber peers
Committees
0
assignments
807 bills and resolutions

Sponsored bills

Total
807
Primary
70
Co-sponsor
737
This page
807
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Co-sponsor SJRES 102
In committee · United States Senate · Co-sponsor
A joint resolution disapproving the action of the District of Columbia Council in approving the D.C. Income and Franchise Tax Conformity and Revision Temporary Amendment Act of 2025.

Maddy summarySJRES 102 is a congressional resolution disapproving the District of Columbia Council's approval of the D.C. Income and Franchise Tax Conformity and Revision Temporary Amendment Act of 2025 (D.C. Act A26-0217). This resolution, introduced by Senator Scott on January 27, 2026, aims to block the D.C. tax law from taking effect by invoking Congress's disapproval authority under the District of Columbia Home Rule Act. The bill directly affects D.C. residents and businesses subject to the income and franchise tax provisions in the disapproved law. If passed, it would prevent the D.C. tax code changes from becoming effective.

In committee Feb 4, 2026 1 co-sponsor
Co-sponsor S 3752
In committee · United States Senate · Co-sponsor
SAVE America Act

Safeguard American Voter Eligibility Act or the SAVE America Act This bill requires individuals to provide documentary proof of U.S. citizenship when registering to vote, and requires photo identification to vote, in federal elections. Specifically, the bill prohibits states from accepting and processing an application to register to vote in a federal election unless the applicant presents documentary proof of U.S. citizenship. The bill specifies what documents are considered acceptable proof of U.S. citizenship, such as identification that complies with the REAL ID Act of 2005 that indicates U.S. citizenship. Further, the bill (1) prohibits states from registering an individual to vote in a federal election unless, at the time the individual applies to register to vote, the individual provides documentary proof of U.S. citizenship; and (2) requires states to establish an alternative process to demonstrate U.S. citizenship. Each state must take affirmative steps on an ongoing basis to ensure that only U.S. citizens are registered to vote, which shall include establishing a program to identify individuals who are not U.S. citizens using information supplied by certain sources. Additionally, states must remove noncitizens from their official lists of eligible voters. The bill (1) provides for a private right of action for certain violations, and (2) establishes criminal penalties for certain offenses. Individuals voting in federal elections must present an eligible photo identification document. An individual who votes by absentee ballot must submit a copy of their identification document with both the request for, and the submission of, the absentee ballot.

In committee Jan 29, 2026 1 co-sponsor
Co-sponsor S 3627
Introduced · United States Senate · Co-sponsor
Pregnant Students’ Rights Act

Maddy summaryS 3627, the Pregnant Students’ Rights Act, requires colleges and universities participating in federal student aid programs to provide clear information about pregnancy-related resources and accommodations to all enrolled students. The bill mandates annual email notifications, inclusion in student handbooks and orientations, and availability at health centers and websites, detailing campus/community resources, available accommodations, and how to file Title IX complaints. It specifically covers students planning to or currently pregnant who wish to carry a baby to term. The law focuses solely on disseminating existing information and does not create new rights or accommodations. (Bill text amended under Section 485 of the Higher Education Act.)

Introduced Jan 27, 2026 1 co-sponsor
Co-sponsor SRES 585
Passed · United States Senate · Co-sponsor
A resolution honoring the life, achievements, and legacy of Ben Nighthorse Campbell.

Maddy summarySRES 585 is a commemorative resolution honoring Ben Nighthorse Campbell, a former U.S. Senator from Colorado and the first Native American to chair the Senate Committee on Indian Affairs. It recognizes his military service, Olympic judo career, legislative work (including authoring the National Museum of the American Indian Act), and advocacy for tribal communities. The resolution has no policy impact - it formally expresses the Senate’s respect for his legacy, requests transmission to his family, and directs a moment of silence. It directly affects Campbell’s legacy and family, not any current policy or population. (Note: This is a procedural resolution, not a bill with legislative provisions.)

Passed Jan 15, 2026 1 co-sponsor
Co-sponsor S 3675
In committee · United States Senate · Co-sponsor
ICE Protection Act of 2026

Maddy summaryS 3675, the ICE Protection Act of 2026, increases penalties for attacks on Immigration and Customs Enforcement (ICE) agents using motor vehicles as weapons. The bill amends federal law to impose mandatory minimum prison terms of 5 years for bodily injury, 7 years for substantial injury, and 10 years for serious injury when a vehicle causes harm. It directly affects individuals who attack ICE agents with vehicles, raising the severity of sentencing for such acts. The key provision replaces existing penalties with these tiered minimum sentences based on the injury level caused by the vehicle attack.

In committee Jan 15, 2026 1 co-sponsor
Co-sponsor SRES 576
In committee · United States Senate · Co-sponsor
A resolution commending the United States military action in Venezuela.

Maddy summarySRES 576 is a Senate resolution commending the U.S. military operation in Venezuela (codenamed Operation Absolute Resolve) that captured Nicolás Maduro and his wife on January 3, 2026. The resolution states the operation removed Maduro from power without U.S. casualties, transported him to face federal charges (including narco-terrorism), and provided a path to democratic transition in Venezuela led by opposition figures. As a symbolic resolution, it has no legal effect and does not impose new policies or change existing laws. The resolution was introduced by multiple Senators and referred to the Foreign Relations Committee.

In committee Jan 8, 2026 1 co-sponsor
Co-sponsor S 3606
In committee · United States Senate · Co-sponsor
Fraud Accountability Act

Maddy summaryThis bill changes U.S. immigration law to make certain fraud convictions deportable without requiring a minimum fraud loss amount. It targets immigrants (aliens) convicted of fraud against any private individual, fund, corporation, or government entity, removing the previous threshold for deportation. It also adds provisions to revoke citizenship for naturalized citizens convicted of such fraud crimes, requiring courts to cancel their naturalization certificates. The changes apply to fraud committed on or after September 30, 1996, if not previously charged before the bill's enactment.

In committee Jan 8, 2026 1 co-sponsor
Co-sponsor S 3584
In committee · United States Senate · Co-sponsor
Stop Illegal Aliens Drunk Driving

Maddy summaryThis bill amends U.S. immigration law to classify certain driving under the influence (DUI) offenses as "aggravated felonies." It specifically targets convictions for DUI causing death or serious injury, regardless of whether the local conviction was labeled a misdemeanor or felony. Non-citizens convicted of such offenses - whether in state, federal, tribal, or local courts - would become inadmissible to the United States. The change applies to all relevant convictions, even if they occurred before the bill's enactment. This policy directly affects non-citizens with these specific DUI convictions, making them subject to immigration penalties like deportation or denial of entry.

In committee Jan 7, 2026 1 co-sponsor
Co-sponsor SRES 575
Passed · United States Senate · Co-sponsor
A resolution congratulating the Oklahoma State University men's cross country team for winning the 2025 National Collegiate Athletic Association Men's Division I Cross Country National Championship.

Maddy summaryThis Senate resolution (SRES 575) formally congratulates the Oklahoma State University men’s cross country team for winning the 2025 NCAA Division I National Championship. It recognizes their sixth team title and highlights their season achievements, including victories at the Big 12 Championship, NCAA Midwest Regional, and National Championship. The resolution is purely ceremonial, expressing Senate recognition of the team’s success and dedication without creating new laws or affecting any policies. It does not impose obligations or provide funding.

Passed Jan 6, 2026 1 co-sponsor
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