Sen. Markwayne Mullin No recent votes – may have left office
Republican Senate · Oklahoma · OK
+0.531Left–right score−1 = most liberal, +1 = most conservative, 0 = the middle. Based on how they actually vote (DW-NOMINATE).
—Chamber rank, liberal→conservative#1 is the most liberal current member of the Senate; the highest number is the most conservative.
99.3%Party unityHow often they vote the same way as most of their own party.
723Roll calls (40 missed)Recorded floor votes this Congress; “missed” means they didn’t vote.
Born 1977 · Bioguide M001190 · Voteview profile · Congress bio
Where they sit in the Senate
Each gray bar counts how many current Senate members have a score in that range, from most liberal (left) to most conservative (right). The colored line is Markwayne Mullin.
Two-dimensional map
Each dot is one current Senate member (blue D, red R, purple I); the large outlined dot is Markwayne Mullin. Left–right is the main left–right score. Up–down (dimension 2) captures other voting patterns that cut across party lines, historically issues like regional or civil-rights splits; it matters much less today. More
Recent votes (latest 100 of 723)
| Date | Bill / question | Vote | Result |
|---|---|---|---|
| 2026-03-23 | PN7869 On the Cloture Motion Colin McDonald, of California, to be an Assistant Attorney General | Not Voting | Cloture Motion Agreed to 51–45 |
| 2026-03-23 | PN858 On the Nomination Markwayne Mullin, of Oklahoma, to be Secretary of Homeland Security | Yea | Nomination Confirmed 54–45 |
| 2026-03-22 | PN858 On the Cloture Motion Markwayne Mullin, of Oklahoma, to be Secretary of Homeland Security | Yea | Cloture Motion Agreed to 54–37 |
| 2026-03-21 | S1383 On the Cloture Motion A bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes. | Nay | Cloture Motion Rejected 41–49 |
| 2026-03-21 | S1383 On the Cloture Motion To protect women and girls in athletics. | Yea | Cloture Motion Rejected 49–41 |
| 2026-03-20 | HR7147 On Cloture on the Motion to Proceed A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture on the Motion to Proceed Rejected 47–37 |
| 2026-03-18 | SJRES118 On the Motion to Discharge A 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. | Nay | Motion to Discharge Rejected 47–53 |
| 2026-03-17 | S1383 On the Motion to Proceed A bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes. | Yea | Motion to Proceed Agreed to 51–48 |
| 2026-03-17 | PN7874 On the Nomination Anna St. John, of Louisiana, to be United States District Judge for the Eastern District of Louisiana | Yea | Nomination Confirmed 51–45 |
| 2026-03-17 | PN7874 On the Cloture Motion Anna St. John, of Louisiana, to be United States District Judge for the Eastern District of Louisiana | Yea | Cloture Motion Agreed to 48–45 |
| 2026-03-12 | HR7147 On the Cloture Motion A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture Motion Rejected 51–46 |
| 2026-03-12 | HR6644 On Passage of the Bill A bill a bill to increase the supply of housing in America, and for other purposes. | Yea | Bill Passed 89–10 |
| 2026-03-11 | HR6644 On the Cloture Motion A bill a bill to increase the supply of housing in America, and for other purposes. | Yea | Cloture Motion Agreed to 82–11 |
| 2026-03-11 | HR6644 On the Amendment In the nature of a substitute. | Yea | Amendment Agreed to 84–10 |
| 2026-03-10 | HR6644 On the Cloture Motion In the nature of a substitute. | Yea | Cloture Motion Agreed to 89–9 |
| 2026-03-10 | PN711 On the Nomination Lt. Gen. Joshua M. Rudd, in the Army, to be General | Yea | Nomination Confirmed 71–29 |
| 2026-03-09 | PN711 On the Cloture Motion Lt. Gen. Joshua M. Rudd, in the Army, to be General | Yea | Cloture Motion Agreed to 68–28 |
| 2026-03-05 | HR7147 On Cloture on the Motion to Proceed A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture on the Motion to Proceed Rejected 51–45 |
| 2026-03-04 | SJRES104 On the Motion to Discharge A 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. | Nay | Motion to Discharge Rejected 47–53 |
| 2026-03-04 | HR6644 On the Motion to Proceed A bill a bill to increase the supply of housing in America, and for other purposes. | Yea | Motion to Proceed Agreed to 90–8 |
| 2026-03-02 | HR6644 On the Cloture Motion A bill a bill to increase the supply of housing in America, and for other purposes. | Yea | Cloture Motion Agreed to 84–6 |
| 2026-02-26 | PN73046 On the Nomination Ryan McCormack, of Virginia, to be Under Secretary of Transportation for Policy | Yea | Nomination Confirmed 57–33 |
| 2026-02-26 | PN73046 On the Cloture Motion Ryan McCormack, of Virginia, to be Under Secretary of Transportation for Policy | Yea | Cloture Motion Agreed to 60–34 |
| 2026-02-25 | PN73019 On the Nomination John DeLeeuw, of Texas, to be a Member of the National Transportation Safety Board for the remainder of the term expiring December 31, 2026 | Yea | Nomination Confirmed 50–45 |
| 2026-02-25 | PN73019 On the Cloture Motion John DeLeeuw, of Texas, to be a Member of the National Transportation Safety Board for the remainder of the term expiring December 31, 2026 | Yea | Cloture Motion Agreed to 50–45 |
| 2026-02-24 | HR7147 On Cloture on the Motion to Proceed A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture on the Motion to Proceed Rejected 50–45 |
| 2026-02-12 | HR7147 On the Cloture Motion A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture Motion Rejected 52–47 |
| 2026-02-12 | HJRES142 On the Joint Resolution 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. | Yea | Joint Resolution Passed 49–47 |
| 2026-02-11 | HJRES142 On the Motion to Proceed 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. | Yea | Motion to Proceed Agreed to 51–46 |
| 2026-02-10 | SJRES95 On the Motion to Proceed A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Internal Revenue Service relating to "Interim Guidance Simplifying Application of th… | Nay | Motion to Proceed Rejected 47–51 |
| 2026-02-10 | PN7264 On the Nomination Daniel E. Burrows, of Colorado, to be an Assistant Attorney General | Yea | Nomination Confirmed 52–46 |
| 2026-02-09 | PN7264 On the Cloture Motion Daniel E. Burrows, of Colorado, to be an Assistant Attorney General | Yea | Cloture Motion Agreed to 51–47 |
| 2026-02-05 | PN72611 On the Nomination Justin R. Olson, of Indiana, to be United States District Judge for the Southern District of Indiana | Yea | Nomination Confirmed 50–47 |
| 2026-02-05 | PN72611 On the Cloture Motion Justin R. Olson, of Indiana, to be United States District Judge for the Southern District of Indiana | Yea | Cloture Motion Agreed to 51–47 |
| 2026-02-05 | PN7269 On the Nomination Brian Charles Lea, of Tennessee, to be United States District Judge for the Western District of Tennessee | Yea | Nomination Confirmed 50–46 |
| 2026-02-04 | PN7269 On the Cloture Motion Brian Charles Lea, of Tennessee, to be United States District Judge for the Western District of Tennessee | Yea | Cloture Motion Agreed to 50–47 |
| 2026-02-04 | PN7262 On the Nomination Megan Blair Benton, of Missouri, to be United States District Judge for the Western District of Missouri | Yea | Nomination Confirmed 51–46 |
| 2026-02-04 | PN7262 On the Cloture Motion Megan Blair Benton, of Missouri, to be United States District Judge for the Western District of Missouri | Yea | Cloture Motion Agreed to 51–47 |
| 2026-02-04 | PN72612 On the Nomination Aaron Christian Peterson, of Alaska, to be United States District Judge for the District of Alaska | Yea | Nomination Confirmed 58–39 |
| 2026-02-03 | PN72612 On the Cloture Motion Aaron Christian Peterson, of Alaska, to be United States District Judge for the District of Alaska | Yea | Cloture Motion Agreed to 55–39 |
| 2026-02-03 | PN7266 On the Nomination Nicholas Jon Ganjei, of Texas, to be United States District Judge for the Southern District of Texas | Yea | Nomination Confirmed 51–45 |
| 2026-02-03 | PN7266 On the Cloture Motion Nicholas Jon Ganjei, of Texas, to be United States District Judge for the Southern District of Texas | Yea | Cloture Motion Agreed to 49–44 |
| 2026-02-03 | PN7265 On the Nomination David Clay Fowlkes, of Arkansas, to be United States District Judge for the Western District of Arkansas | Yea | Nomination Confirmed 54–40 |
| 2026-02-02 | PN7265 On the Cloture Motion David Clay Fowlkes, of Arkansas, to be United States District Judge for the Western District of Arkansas | Yea | Cloture Motion Agreed to 49–40 |
| 2026-01-30 | HR7148 On Passage of the Bill A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Bill Passed 71–29 |
| 2026-01-30 | HR7148 On the Motion To prevent the deferral or rescission of appropriations within 90 days of their expiration. | Nay | Motion Rejected 47–52 |
| 2026-01-30 | HR7148 On the Amendment To rescind certain amounts appropriated for U.S. Immigration and Customs Enforcement and certain changes to Medicaid. | Nay | Amendment Rejected 49–51 |
| 2026-01-30 | HR7148 On the Motion to Table To eliminate funding for the United States African Development Foundation. | Nay | Motion to Table Agreed to 58–42 |
| 2026-01-30 | HR7148 On the Motion to Table To strike the earmark for the Community and Training Center by the New Immigrant Community Empowerment. | Nay | Motion to Table Agreed to 58–42 |
| 2026-01-30 | HR7148 On the Motion to Table To strike all earmarks. | Yea | Motion to Table Agreed to 67–33 |
| 2026-01-30 | HR7148 On the Amendment To eliminate funding for refugee and entrant assistance. | Nay | Amendment Rejected 32–67 |
| 2026-01-29 | HR7148 On Cloture on the Motion to Proceed A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture on the Motion to Proceed Rejected 45–55 |
| 2026-01-27 | S3627 On Cloture on the Motion to Proceed A bill to require institutions of higher education to disseminate information on the rights of, and accommodations and resources for, pregnant students, and for other purposes. | Yea | Cloture on the Motion to Proceed Rejected 47–45 |
| 2026-01-15 | HR6938 On Passage of the Bill A bill making consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Bill Passed 82–15 |
| 2026-01-15 | HR6938 On the Cloture Motion A bill making consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture Motion Agreed to 85–14 |
| 2026-01-14 | SJRES98 On the Point of Order A joint resolution to direct the removal of United States Armed Forces from hostilities within or against Venezuela that have not been authorized by Congress. | Yea | Point of Order Well Taken 50–50 |
| 2026-01-13 | SJRES84 On the Motion to Proceed A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services relating to "Patient Protection and Afforda… | Nay | Motion to Proceed Rejected 47–52 |
| 2026-01-12 | HR6938 On Cloture on the Motion to Proceed A bill making consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. | Yea | Cloture on the Motion to Proceed Agreed to 80–13 |
| 2026-01-08 | PN6152 On the Nomination Alexander C. Van Hook, of Louisiana, to be United States District Judge for the Western District of Louisiana | Yea | Nomination Confirmed 53–40 |
| 2026-01-08 | SJRES98 On the Motion to Discharge A joint resolution to direct the removal of United States Armed Forces from hostilities within or against Venezuela that have not been authorized by Congress. | Nay | Motion to Discharge Agreed to 52–47 |
| 2026-01-07 | SJRES86 On the Motion to Proceed A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Air Plan Approval; South Dakota; Region… | Nay | Motion to Proceed Rejected 43–50 |
| 2026-01-06 | PN373 On the Nomination Sara Bailey, of Texas, to be Director of National Drug Control Policy | Yea | Nomination Confirmed 52–48 |
| 2026-01-06 | PN49911 On the Nomination Joshua Simmons, of Virginia, to be General Counsel of the Central Intelligence Agency | Yea | Nomination Confirmed 53–47 |
| 2026-01-05 | PN121 On the Nomination Keith Bass, of Texas, to be an Assistant Secretary of Defense | Yea | Nomination Confirmed 50–35 |
| 2025-12-18 | PN373 On the Cloture Motion Sara Bailey, of Texas, to be Director of National Drug Control Policy | Yea | Cloture Motion Agreed to 51–42 |
| 2025-12-18 | PN6152 On the Cloture Motion Alexander C. Van Hook, of Louisiana, to be United States District Judge for the Western District of Louisiana | Yea | Cloture Motion Agreed to 60–35 |
| 2025-12-18 | PN121 On the Cloture Motion Keith Bass, of Texas, to be an Assistant Secretary of Defense | Yea | Cloture Motion Agreed to 58–36 |
| 2025-12-18 | PN49911 On the Cloture Motion Joshua Simmons, of Virginia, to be General Counsel of the Central Intelligence Agency | Yea | Cloture Motion Agreed to 53–43 |
| 2025-12-18 | PN252 On the Nomination Scott Mayer, of Pennsylvania, to be a Member of the National Labor Relations Board for the term of five years expiring December 16, 2029; and Mary Anne Carter, of Tennessee, to be Chairperson of the National Endowment fo… | Yea | Nomination Confirmed 53–43 |
| 2025-12-18 | SJRES82 On the Joint Resolution A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Secretary of the Department of Health and Human Services relating to "… | Nay | Joint Resolution Defeated 50–50 |
| 2025-12-17 | PN2529 On the Cloture Motion Scott Mayer, of Pennsylvania, to be a Member of the National Labor Relations Board for the term of five years expiring December 16, 2029; and Mary Anne Carter, of Tennessee, to be Chairperson of the National Endowment fo… | Yea | Cloture Motion Agreed to 53–47 |
| 2025-12-17 | PN6452 On the Nomination Douglas Weaver, of Maryland, to be a Member of the Nuclear Regulatory Commission for the remainder of the term expiring June 30, 2026 | Yea | Nomination Confirmed 71–29 |
| 2025-12-17 | PN6452 On the Cloture Motion Douglas Weaver, of Maryland, to be a Member of the Nuclear Regulatory Commission for the remainder of the term expiring June 30, 2026 | Yea | Cloture Motion Agreed to 69–27 |
| 2025-12-17 | PN650 On the Nomination Jared Isaacman, of Pennsylvania, to be Administrator of the National Aeronautics and Space Administration | Yea | Nomination Confirmed 67–30 |
| 2025-12-17 | PN650 On the Cloture Motion Jared Isaacman, of Pennsylvania, to be Administrator of the National Aeronautics and Space Administration | Yea | Cloture Motion Agreed to 67–30 |
| 2025-12-17 | S1071 On the Motion A bill to require the Secretary of Veterans Affairs to disinter the remains of Fernando V. Cota from Fort Sam Houston National Cemetery, Texas, and for other purposes. | Yea | Motion Agreed to 77–20 |
| 2025-12-15 | S1071 On the Cloture Motion A bill to require the Secretary of Veterans Affairs to disinter the remains of Fernando V. Cota from Fort Sam Houston National Cemetery, Texas, and for other purposes. | Yea | Cloture Motion Agreed to 76–20 |
| 2025-12-11 | S1071 On the Motion to Proceed A bill to require the Secretary of Veterans Affairs to disinter the remains of Fernando V. Cota from Fort Sam Houston National Cemetery, Texas, and for other purposes. | Yea | Motion to Proceed Agreed to 75–22 |
| 2025-12-11 | SRES532 On the Resolution An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar. | Yea | Resolution Agreed to 52–47 |
| 2025-12-11 | S3385 On the Cloture Motion A bill to amend the Internal Revenue Code of 1986 to extend the enhancement of the health care premium tax credit. | Nay | Cloture Motion Rejected 51–48 |
| 2025-12-11 | S3386 On the Cloture Motion A bill to provide a health savings account contribution to certain enrollees, to reduce health care costs, and for other purposes. | Yea | Cloture Motion Rejected 51–48 |
| 2025-12-10 | SRES532 On the Cloture Motion An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar. | Yea | Cloture Motion Agreed to 51–47 |
| 2025-12-10 | SJRES82 On the Motion to Proceed A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Secretary of the Department of Health and Human Services relating to "… | Nay | Motion to Proceed Agreed to 50–49 |
| 2025-12-09 | PN4665 On the Nomination James D. Maxwell II, of Mississippi, to be United States District Judge for the Northern District of Mississippi | Yea | Nomination Confirmed 51–46 |
| 2025-12-09 | PN4665 On the Cloture Motion James D. Maxwell II, of Mississippi, to be United States District Judge for the Northern District of Mississippi | Yea | Cloture Motion Agreed to 49–46 |
| 2025-12-09 | PN6151 On the Nomination William J. Crain, of Louisiana, to be United States District Judge for the Eastern District of Louisiana | Yea | Nomination Confirmed 49–46 |
| 2025-12-09 | PN6151 On the Cloture Motion William J. Crain, of Louisiana, to be United States District Judge for the Eastern District of Louisiana | Yea | Cloture Motion Agreed to 51–46 |
| 2025-12-09 | PN4661 On the Nomination Robert P. Chamberlin, of Mississippi, to be United States District Judge for the Northern District of Mississippi | Yea | Nomination Confirmed 51–46 |
| 2025-12-08 | PN4661 On the Cloture Motion Robert P. Chamberlin, of Mississippi, to be United States District Judge for the Northern District of Mississippi | Yea | Cloture Motion Agreed to 52–44 |
| 2025-12-04 | PN5204 On the Nomination Susan Courtwright Rodriguez, of North Carolina, to be United States District Judge for the Western District of North Carolina | Yea | Nomination Confirmed 57–32 |
| 2025-12-04 | SRES520 On the Cloture Motion An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar. | Yea | Cloture Motion Rejected 43–37 |
| 2025-12-04 | HJRES131 On the Joint Resolution A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Coastal Plain Oil and Gas Leasing Program Rec… | Yea | Joint Resolution Passed 49–45 |
| 2025-12-03 | PN5204 On the Cloture Motion Susan Courtwright Rodriguez, of North Carolina, to be United States District Judge for the Western District of North Carolina | Yea | Cloture Motion Agreed to 63–34 |
| 2025-12-03 | SJRES91 On the Motion to Proceed A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Coastal Plain Oil and Gas Leasing Program Rec… | Yea | Motion to Proceed Agreed to 49–47 |
| 2025-12-03 | PN5203 On the Nomination Matthew E. Orso, of North Carolina, to be United States District Judge for the Western District of North Carolina | Yea | Nomination Confirmed 57–41 |
| 2025-12-03 | PN5203 On the Cloture Motion Matthew E. Orso, of North Carolina, to be United States District Judge for the Western District of North Carolina | Yea | Cloture Motion Agreed to 56–40 |
| 2025-12-02 | PN5202 On the Nomination Lindsey Ann Freeman, of North Carolina, to be United States District Judge for the Middle District of North Carolina | Yea | Nomination Confirmed 60–39 |
| 2025-12-02 | PN5202 On the Cloture Motion Lindsey Ann Freeman, of North Carolina, to be United States District Judge for the Middle District of North Carolina | Yea | Cloture Motion Agreed to 61–36 |
| 2025-12-02 | PN5201 On the Nomination David A. Bragdon, of North Carolina, to be United States District Judge for the Middle District of North Carolina | Yea | Nomination Confirmed 53–45 |
| 2025-12-01 | PN5201 On the Cloture Motion David A. Bragdon, of North Carolina, to be United States District Judge for the Middle District of North Carolina | Yea | Cloture Motion Agreed to 50–41 |