---
bioguide_id: M001190
voter_id: Markwayne-Mullin-R-OK
name: Markwayne Mullin
party: Republican
state: Oklahoma
chamber: Senate
congress: 119
generated_at: 2026-04-18
---

# Markwayne Mullin

Markwayne Mullin is a Republican member of the U.S. Senate, representing Oklahoma, serving in the 119th Congress.

## Attendance & Participation

- **Votes Cast**: 761
  - Yea: 542
  - Nay: 179
  - Present: 0
- **Missed Votes**: 1
- **Attendance Rate**: 99.9%

## Voting Behavior

- **Yea/Nay Split**: 542 yea / 179 nay

## Ideology & Positioning

- **Ideology Score**: 0.892 (scale: -1.0 liberal to +1.0 conservative)
- **Label**: Very Conservative
- **Percentile**: 54.5 (0 = most liberal, 100 = most conservative)

## Policy Area Voting Record

| Policy Area | Total Votes | Yea | Nay |
|---|---|---|---|
| Economics and Public Finance | 203 | 75 | 128 |
| International Affairs | 17 | 3 | 14 |
| Environmental Protection | 17 | 12 | 5 |
| Finance and Financial Sector | 15 | 14 | 1 |
| Armed Forces and National Security | 15 | 9 | 6 |
| Transportation and Public Works | 12 | 5 | 7 |
| Government Operations and Politics | 11 | 8 | 3 |
| Congress | 11 | 10 | 1 |
| Public Lands and Natural Resources | 11 | 11 | 0 |
| Energy | 10 | 10 | 0 |
| Taxation | 7 | 4 | 3 |
| Foreign Trade and International Finance | 6 | 1 | 5 |
| Immigration | 6 | 5 | 1 |
| Housing and Community Development | 6 | 6 | 0 |
| Crime and Law Enforcement | 4 | 4 | 0 |
| Health | 3 | 1 | 2 |
| Education | 2 | 2 | 0 |
| Science, Technology, Communications | 2 | 2 | 0 |
| Emergency Management | 2 | 0 | 2 |
| Sports and Recreation | 1 | 1 | 0 |

## Recent Votes

- **2026-03-23** -- No description -> *Yea* (PN_858)
- **2026-03-22** -- No description -> *Yea* (PN_858)
- **2026-03-21** -- No description -> *Yea* (S_1383)
- **2026-03-21** -- A bill to establish the Veterans Advisory Committee on Equal Access, and for other purposes. -> *Nay* (S_1383)
- **2026-03-20** -- A bill making further consolidated appropriations for the fiscal year ending September 30, 2026, and for other purposes. -> *Yea* (HR_7147)

## Sponsorship & Legislative Activity

- **Bills Sponsored**: 23
- **Bills Enacted into Law**: 0
- **Bills Passed Chamber**: 1
- **Enactment Rate**: 0.0%
- **Average Cosponsors per Bill**: 6.6
- **Bipartisan Bills**: 34.8%

## Legislative Effectiveness

Effectiveness data not available for this member.

## Bipartisan Collaboration

No cross-party collaboration data available.

---

*Data sourced from official congressional records for the 119th Congress. This profile contains only behavioral and procedural data -- no editorial commentary or subjective ratings. Generated 2026-04-18.*

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