RepublicanCynthia M. Lummis
U.S. Senator · Wyoming
U.S. Senator from Wyoming
10 tracked promises, 2 rated
Wyoming
Represents Wyoming statewide
How they won their seat
Cynthia M. Lummis won the 2020 U.S. Senate election in Wyoming with 71.1% of the vote (198,100 votes).
- Cynthia M. Lummis · Other71.1%198,100
- Merav Ben David · Other26.1%72,766
- Under Votes · Other2.3%6,401
- 2 Other Candidates0.4%1,236
Certified results. Source: MIT Election Data + Science Lab (MEDSL) ↗. A plurality winner can hold under 50% when more than two candidates run.
Inferred legislative agendas
Cynthia M. Lummis's record shows a concentration on energy policy, particularly nuclear energy, as evidenced by her sponsorship of the Strengthening American Nuclear Energy Act and the Protect Domestic Oil and Gas Small Business Act. Additionally, there is notable activity related to cryptocurrency regulation, as seen in her introduction of the Blockchain Regulatory Certainty Act and digital-asset tax legislation. Her involvement in fiscal policy is also prominent, with the introduction of the Pay Down the Debt Act and co-sponsorship of a balanced budget amendment. Focus areas (from the record): Energy · Nuclear Power · Cryptocurrency · Fiscal Policy · Regulation Alignment with declared positions: Consistent. Lummis's sponsored bills and committee memberships align with her declared positions on energy and cryptocurrency, particularly her record includes significant activity related to nuclear energy and digital assets. What this can't tell you: The record does not reveal the effectiveness of her sponsored legislation; There is no information on her engagement in unlogged activities or informal efforts; The record does not provide insight into her strategic priorities or decision-making processes. Confidence: high (based on the volume of verified record on file).
Inferred, not stated. Cynthia M. Lummis has not necessarily stated these as goals. This is an AI-generated, nonpartisan reading of the patterns in their verified record — sponsored legislation, committee work, roll-call votes, and campaign-finance composition — and how those patterns compare to any declared positions and tracked promises. It describes what the record emphasizes, never imputes motive, and is run through an adversarial review pass that scrubs bias, loaded language, and any claim the evidence doesn’t support. It is not a quote, a claim they made, or a rating; every underlying item is sourced in the verified record below; and it never affects the Integrity Score.
Showing 2016. Every tile and chart below reflects this window; some record types (e.g. roll-call votes) only have data for recent years.
Activity in office
What Cynthia M. Lummis has actually done in office — sourced from official roll-call and government records, shown in full below. These are facts, separate from tracked promises and never folded into any score. The tracked-positions tile counts sourced stated positions — claims about what they believe, not conduct — and is likewise never scored.
Roll-call data last updated September 7, 2026 · source: Voteview.
Bills sponsored over time
Bills sponsored per year, stacked by outcome (latest action). Outcome data covers the 118th–119th Congresses; earlier years show as “awaiting status” until enriched. Source: Congress.gov.
Bill success rate
Bills SPONSORED in the 118th–119th Congresses, by their latest action. Source: Congress.gov.
Campaign finance over time
- Small-dollar (unitemized)$97K8%
- Large individual (itemized)$708K59%
- PAC / committee$387K32%
By election cycle. Source: FEC.
Committee memberships
- Member, Senate Committee on Banking, Housing, and Urban AffairsOn record since Jan 2025Member
- Member, Senate Committee on Banking, Housing, and Urban Affairs — Financial Institutions and Consumer ProtectionOn record since Jan 2025Member
- Member, Senate Committee on Banking, Housing, and Urban Affairs — Securities, Insurance, and InvestmentOn record since Jan 2025Member
- Member, Senate Committee on Commerce, Science, and TransportationOn record since Jan 2025Member
- Member, Senate Committee on Commerce, Science, and Transportation — Telecommunications and MediaOn record since Jan 2025Member
- Member, Senate Committee on Commerce, Science, and Transportation — Consumer Protection, Technology, and Data PrivacyOn record since Jan 2025Member
- Member, Senate Committee on Commerce, Science, and Transportation — Science, Manufacturing, and CompetitivenessOn record since Jan 2025Member
- Member, Senate Committee on Environment and Public WorksOn record since Jan 2025Member
- Chairman, Senate Committee on Environment and Public Works — Clean Air, Climate, and Nuclear Innovation and SafetyOn record since Jan 2025Chair
- Member, Senate Committee on Environment and Public Works — Fisheries, Wildlife, and WaterOn record since Jan 2025Member
- Member, Senate Committee on Environment and Public Works — Transportation and InfrastructureOn record since Jan 2025Member
- Chairman, Senate Committee on Banking, Housing, and Urban Affairs — Digital AssetsOn record since Jan 2025Chair
Source: Congress.gov.
Integrity
Promises kept vs. worked against — weighted breakdown+72 · based on 2 rated promises
- Attempted 1
- Fully Kept 1
Teal segments are promises kept; amber and stone segments are promises worked against. The signed score weights each rated promise by significance and evidence confidence. Promise-keeping is shown separately from popularity, finance, disclosure, and stated positions. Methodology is open.
Integrity over time
In office since Jan 2021 · 2 rated promisesThe line steps at each recorded assessment and holds between them; it ends on the current published score.
| Date | Integrity Score |
|---|---|
| Jul 2026 | 100 |
| Jul 2026 | 72 |
| Jan 2027 | 72 (current, held from last rating) |
Promise status over time
How the tracked promise record has evolved.
- Kept2
- Against0
- No opportunity0
- In progress0
Replayed from this official’s sourced assessment history — the bands step only when an assessment is recorded or changed. Based on the most recent roll-call votes on file and the tracked promise assessments; never interpolated.
Topic coverage
10 promises across 10 topicsWhat this record covers — the number of tracked promises per topic. This is coverage, not a verdict; the kept/against shading within each bar mirrors the Integrity breakdown above.
- Cryptocurrency / Federal reserves1
- Cryptocurrency / National debt1
- Cryptocurrency / Tax policy1
- Cryptocurrency regulation1
- Energy / Nuclear power1
- Federal budget / Fiscal policy1
- Judiciary / Separation of powers1
- National debt / Fiscal policy1
- Second Amendment / Public lands1
- Title IX / Women's sports1
Evidence & significance
Evidence quality
Strongest source cited per promise.
- Primary (official record)880%
- Reputable news110%
- Partisan110%
Significance mix
How weighty the tracked promises are (1 = minor, 5 = defining).
Significance weights each promise in the Integrity Score.
10 tracked promises
“Introduced the Pay Down the Debt Act to let state and local governments redirect federal grant money toward reducing the national debt.”
“Committed to end restrictions on Second Amendment rights on federal (Army Corps of Engineers) land through the Recreational Lands Defense Act.”
“Committed to reintroduce and enact legislation codifying a U.S. Strategic Bitcoin Reserve, directing the Treasury to acquire up to 1 million bitcoin over five years and hold it to help address the national debt (the BITCOIN Act).”
“Introduced legislation (the Strengthening American Nuclear Energy Act) to codify President Trump's nuclear executive orders into permanent law and expand next-generation nuclear energy.”
“Vowed to get the digital-asset market structure bill through Congress before the end of the year.”
“Co-sponsored a constitutional balanced budget amendment (the Principles-Based Balanced Budget Amendment) requiring the federal government to balance its budget within 10 years of ratification.”
“Publicly set out her plan for the U.S. to buy and hold 1 million bitcoin for 20 years in order to cut the national debt in half.”
“Introduced digital-asset tax legislation (including a $300 de minimis exemption for small transactions and an end to double taxation of miners and stakers) and committed to advancing the package to the President's desk.”
“Introduced legislation with colleagues to curb judicial overreach and limit the ability of federal courts to obstruct the administration's agenda.”
“Pledged to keep working to bar biological males from women's sports and protect female athletes through the Protection of Women and Girls in Sports Act.”
Verified record
157 sponsored bills · finance on fileFacts imported directly from official government sources — shown separately from tracked promises and never folded into the Integrity Score. Each entry links to its primary source.
FEC 2026 cycle — raised $100,100, spent $98,104, cash on hand $0.
View the FEC filing ↗Sponsored legislation
- Sponsored S 4956: Farmers and Ranchers Relief Act of 2026 ↗Jul 13, 2026
- Sponsored S 4806: POWER Up Act ↗Jun 17, 2026
- Sponsored S 4619: Protect Domestic Oil and Gas Small Business Act of 2026 ↗May 21, 2026
- Sponsored S 4529: Build Nuclear with Local Materials Act of 2026 ↗May 14, 2026
- Sponsored S 4267: Strengthening American Nuclear Energy Act of 2026 ↗Mar 26, 2026
- Sponsored S 4146: Local Data for Better Conservation Act ↗Mar 19, 2026
- Sponsored SRES 645: A resolution recognizing 2026 as the "International Year of Rangelands and Pastoralists". ↗Mar 17, 2026
- Sponsored S 3836: FENCES Act ↗Feb 11, 2026
- Sponsored S 3611: Blockchain Regulatory Certainty Act of 2026 ↗Jan 12, 2026
- Sponsored S 3520: CLEAR Act of 2025 ↗Dec 17, 2025
- Sponsored S 3416: Safeguarding U.S. Rulemaking Act ↗Dec 10, 2025
- Sponsored S 3278: SMART Infrastructure Act of 2025 ↗Nov 20, 2025
Showing the 12 most recent of 157 sponsored measures.
Voting record
- Total votes
- 890
- Yea
- 637
- Nay
- 223
- Present
- 0
- Not voting
- 30
Full voting record
890 votes- S5271Yea
- PN1078Yea
- PN1078Yea
- HR6500Yea
- HR6500Nay
- HR6500Not voting
- PN73011Not voting
- HR5334Not voting
- HR5334Not voting
- SJRES187Nay
- PN73011Yea
- PN932Yea
- PN932Yea
- HR6500Yea
- SRES817Yea
- SJRES181Nay
- SJRES199Nay
- SRES817Yea
- HR5334Yea
- HR5334Yea
Roll-call votes, 119th Congress. Source: Voteview (voteview.com). Click any vote to verify it independently.
Positions on record
12 positions on recordThe record on this issue — recorded votes this official cast, and sourced claims about what they believe. Each is labelled with which it is, because a vote is what someone did and a statement is what they said. Neither is scored, and neither affects the Integrity Score.
- Energy / Nuclear powerStated position
Introduced legislation (the Strengthening American Nuclear Energy Act) to codify President Trump's nuclear executive orders into permanent law and expand next-generation nuclear energy.
SourcesOffice of U.S. Senator Cynthia Lummis (lummis.senate.gov)· archivedView position & sources → - Cryptocurrency regulationStated position
Vowed to get the digital-asset market structure bill through Congress before the end of the year.
SourcesCoinDeskView position & sources → - Federal budget / Fiscal policyStated position
Co-sponsored a constitutional balanced budget amendment (the Principles-Based Balanced Budget Amendment) requiring the federal government to balance its budget within 10 years of ratification.
SourcesOffice of U.S. Senator Jon Husted (husted.senate.gov)· archivedView position & sources → - Cryptocurrency / Tax policyStated position
Introduced digital-asset tax legislation (including a $300 de minimis exemption for small transactions and an end to double taxation of miners and stakers) and committed to advancing the package to the President's desk.
SourcesOffice of U.S. Senator Cynthia Lummis (lummis.senate.gov)· archivedView position & sources → - Cryptocurrency / National debtStated position
Publicly set out her plan for the U.S. to buy and hold 1 million bitcoin for 20 years in order to cut the national debt in half.
SourcesBitcoin Magazine (report of Bitcoin 2025 Conference remarks)View position & sources → - Judiciary / Separation of powersStated position
Introduced legislation with colleagues to curb judicial overreach and limit the ability of federal courts to obstruct the administration's agenda.
SourcesOffice of U.S. Senator Cynthia Lummis (lummis.senate.gov)· archivedView position & sources → - Cryptocurrency / Federal reservesStated position
Committed to reintroduce and enact legislation codifying a U.S. Strategic Bitcoin Reserve, directing the Treasury to acquire up to 1 million bitcoin over five years and hold it to help address the national debt (the BITCOIN Act).
SourcesOffice of U.S. Senator Cynthia Lummis (lummis.senate.gov)· archivedView position & sources → - Title IX / Women's sportsStated position
Pledged to keep working to bar biological males from women's sports and protect female athletes through the Protection of Women and Girls in Sports Act.
SourcesOffice of U.S. Senator Cynthia Lummis (lummis.senate.gov)· archivedView position & sources → - Mass Surveillance, Tracking, and Flock SafetyRecorded vote
On record voting YEA on Paul Amendment No. 1829 to H.R. 7888, the Reforming Intelligence and Securing America Act, an amendment whose stated purpose was to append the Fourth Amendment Is Not For Sale Act to the bill. The amendment was rejected 31 to 61, a three-fifths majority being required.
SourcesSenate Roll Call Vote 144, 118th Congress, 2nd Session: On the Amendment, Paul Amdt. No. 1829 to H.R. 7888, the Reforming Intelligence and Securing America Act. Amendment Rejected, 31 yeas to 61 nays with a three-fifths majority required, April 19, 2024.View position & sources → - Mass Surveillance, Tracking, and Flock SafetyRecorded vote
On record voting YEA on Durbin Amendment No. 1841, as modified, to H.R. 7888, the Reforming Intelligence and Securing America Act, an amendment whose stated purpose was to prohibit warrantless access to the communications and other information of United States persons. The amendment was rejected 42 to 50.
SourcesSenate Roll Call Vote 148, 118th Congress, 2nd Session: On the Amendment, Durbin Amdt. No. 1841 as Modified to H.R. 7888, the Reforming Intelligence and Securing America Act. Amendment Rejected, 42 yeas to 50 nays, April 19, 2024.View position & sources → - Second Amendment / Public landsStated position
Committed to end restrictions on Second Amendment rights on federal (Army Corps of Engineers) land through the Recreational Lands Defense Act.
SourcesOffice of U.S. Senator Cynthia Lummis (lummis.senate.gov)· archivedView position & sources → - National debt / Fiscal policyStated position
Introduced the Pay Down the Debt Act to let state and local governments redirect federal grant money toward reducing the national debt.
SourcesOffice of U.S. Senator Cynthia Lummis (lummis.senate.gov)· archivedView position & sources →
Disclosure
A separate measure from the promise scorecard above. It tracks confirmed cases where this official has acted on or championed an issue that already existed when they ran, but which they did not disclose as a priority in their campaign. Each case meets a high evidence bar — three independent sources — and the score is shown alongside the Integrity Score, never merged into it. How this is measured.
No undisclosed priorities on record. This is not a clean-audit claim — it means none have been confirmed for this official.
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