Kyrsten Sinema
Senator for Arizona · Independent
Born 1976
When Kyrsten Sinema changed parties
- Democrat → IndependentChanged from Democrat to Independent on December 9, 2022, while serving in the Senate.We searched the Congressional Record from Dec 9, 2022 to Jan 31, 2023 and found no statement in which they explain this change.
Dates and parties: congress-legislators, checked October 27, 2026. Reasons are shown only in the member's own words from an official record, and are never summarized by us.
Kyrsten Sinema
- S. 5274 · Critical Mineral Consistency Act of 2024 September 25, 2024 · In committee
- S. 5265 · Tonto Apache Land Transfer Act September 25, 2024 · In committee
- S. 4677 · Military Construction, Veterans Affairs, and Related Agencies Appropriations Act, 2025 July 11, 2024 · Out of committee
- S. 4676 · Shadow Wolves Improvement Act July 11, 2024 · Out of committee
- S. 4673 · Special District Grant Accessibility Act July 11, 2024 · In committee
4 terms
| Chamber | Represents | Party | Term dates |
|---|---|---|---|
| Senate | Arizona | Democrat, then Independent | January 3, 2019 – January 3, 2025 |
| House | Arizona · District 9 | Democrat | January 3, 2017 – January 3, 2019 |
| House | Arizona · District 9 | Democrat | January 6, 2015 – January 3, 2017 |
| House | Arizona · District 9 | Democrat | January 3, 2013 – January 3, 2015 |
Source: congress-legislators, a public-domain record of every member of Congress, checked October 27, 2026.
- Article I, Section 1 — all legislative powers are given to Congress
- Article I, Section 2, Clause 1 — how members of the House are chosen
- Article I, Section 3, Clause 1 — how senators are chosen (changed by the 17th Amendment)
- Article I, Section 8, Clause 1 — the powers of Congress
What they did most recently
The member's own vote on each House or Senate roll call.
Ideology, measured from every vote they cast
DW-NOMINATE first dimension (Voteview, UCLA), shown against the 118th Congress Senate.
Every roll-call vote on file
Select any row to open that measure's file. The Print button prints that vote.
Record timeline
· Campaign finance (FEC)
FEC financial summary for candidate ID S8AZ00197, 2026 cycle, coverage through September 30, 2026: total receipts $162,529.87, total disbursements $4,439,410.31, cash on hand at close of period $0.00, as reported to the FEC
· Campaign finance (FEC)
FEC financial summary for candidate ID S8AZ00197, 2024 cycle, coverage through December 31, 2024: total receipts $5,311,800.80, total disbursements $9,272,137.32, cash on hand at close of period $4,276,880.44, as reported to the FEC
· Bills sponsored
Latest official action on S. 59: Became Public Law No: 118-188.
· Roll-call votes
Voted Yea — On Passage of the Bill: H.R. 10545 (Senate Vote 339 (118th Congress, 2nd Session)). Result as recorded: Bill Passed
· Roll-call votes
Voted Yea — On Passage of the Bill: H.R. 82 (Senate Vote 338 (118th Congress, 2nd Session)). Result as recorded: Bill Passed
· Roll-call votes
Voted Yea — On the Motion: H.R. 82 (Senate Vote 337 (118th Congress, 2nd Session)). Result as recorded: Motion Agreed to
· Roll-call votes
Voted Nay — On the Amendment: H.R. 82 (Senate Vote 336 (118th Congress, 2nd Session)). Result as recorded: Amendment Rejected
· Roll-call votes
Voted Nay — On the Amendment: H.R. 82 (Senate Vote 335 (118th Congress, 2nd Session)). Result as recorded: Amendment Rejected
· Roll-call votes
Voted Nay — On the Amendment: H.R. 82 (Senate Vote 334 (118th Congress, 2nd Session)). Result as recorded: Amendment Rejected
· Roll-call votes
Voted Nay — On the Amendment: H.R. 82 (Senate Vote 333 (118th Congress, 2nd Session)). Result as recorded: Amendment Rejected
Open the full record timeline Download this timeline
- Bills cosponsored: No official record has been found at this time. We are watching for updates.
- Committee assignments: No official record has been found at this time. We are watching for updates.
- Floor remarks (Congressional Record): No official record has been found at this time. We are watching for updates.
- Lobbyist contribution reports: No official record has been found at this time. We are watching for updates.
- Court and ethics records: No official record has been found at this time. We are watching for updates.
Each entry is a record we hold from an official source, dated and worded as that record states it, with a link to the official government page. Records without an official link are not listed.
Campaign-finance figures are the totals the campaign reported to the Federal Election Commission, as the FEC publishes them. A contribution or a total does not indicate any action by the recipient.
Recorded positions over time
On 8 measures the recorded Yea or Nay differs between two votes. On 52 measures the recorded position is the same across two or more votes.
Different questions on the same bill can lead to different votes. Read each question before drawing a conclusion.
Last 96 roll calls
Votes cast by year
Financial disclosures and stock trades
Kyrsten Sinema’s financial disclosure reports and STOCK Act trade reports are published by Congress. Search them yourself on the official sites: House financial disclosures (Clerk of the House) ↗ and Senate financial disclosures (Secretary of the Senate) ↗. Power & Politics does not copy or republish these reports.
Court cases naming this member in their official role
Federal cases whose public caption explicitly names this person as a United States senator or representative in an official capacity, during a term recorded in this file. The date on each line is the date of that record, not necessarily the day the case was filed. Being named in an official-capacity case is not a finding about the person, and nothing here says who won. Personal matters are left out entirely.
We have not found a public court record that clearly names this person in their official role, matches the dates they held office, and comes from a court we can follow. That does not mean no case exists. It means we have no qualifying record to show here.
Case records come from each court's own docket and from the United States Courts Opinions collection published by the Government Publishing Office. Select any case to open the official record. Search another politician or see sources and methodology.
Voting records reproduced from the official Journals of the House and Senate (compiled by Voteview, UCLA) · each measure's file links its official government record · sources & methodology · data as of October 27, 2026