Serving nowPhone202-224-6361
Office109 Hart Senate Office Building
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TermJan 3, 2025 → Jan 3, 2031
Senator · Hawaii · Democrat
Mazie K. Hirono
On votes where most Democrats and most Republicans voted on opposite sides, how often this member voted with most of their own party.98.7%
On 836 votes where the parties split
Attendance99.6%
Voted in 915 recorded votes this Congress
Bipartisan bills24.6%
Of their bills with cosponsors, the share with one from the other party
Bills sponsored
66
Bills cosponsored
540
Terms served
6
Serving since
2007
How they voted
| Date | Bill or item | What it was about | Their vote |
|---|---|---|---|
| Sep 30, 2026 | Nomination 1129 | Keith Sonderling, of Florida, to be Secretary of LaborSep 30, 2026 · Nomination Confirmed | No |
| Sep 30, 2026 | Nomination 1129 | Keith Sonderling, of Florida, to be Secretary of LaborSep 30, 2026 · Cloture Motion Agreed to | No |
| Sep 30, 2026 | H.R. 9340 | Ratepayer Protection ActSep 30, 2026 · Cloture on the Motion to Proceed Rejected | No |
| Sep 30, 2026 | H.R. 7008 | Stop Insider Trading ActSep 30, 2026 · Cloture on the Motion to Proceed Rejected | No |
| Sep 29, 2026 | S.Res. 852 | A resolution requesting information on Israel's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961.Sep 29, 2026 · Motion to Discharge Rejected | Yes |
| Sep 29, 2026 | S.J.Res. 197 | 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 of the Department of Health and Human Services relating to "Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program".Sep 29, 2026 · Motion to Proceed Rejected | Yes |
| Sep 28, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 28, 2026 · Bill Passed | Yes |
| Sep 28, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 28, 2026 · Amendment Rejected | Yes |
| Sep 28, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 28, 2026 · Amendment Rejected | Yes |
| Sep 28, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 28, 2026 · Amendment Rejected | Yes |
| Sep 28, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 28, 2026 · Amendment Rejected | No |
| Sep 28, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 28, 2026 · Amendment Agreed to | Yes |
| Sep 24, 2026 | H.Con.Res. 89 | Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.Sep 24, 2026 · Concurrent Resolution Rejected | Yes |
| Sep 24, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 24, 2026 · Cloture Motion Agreed to | No |
| Sep 24, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 24, 2026 · Amendment Agreed to | No |
| Sep 23, 2026 | Nomination 9991 | Angela Veronica Colmenero, of Texas, to be United States District Judge for the Southern District of TexasSep 23, 2026 · Nomination Confirmed | No |
| Sep 22, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 22, 2026 · Cloture Motion Agreed to | Yes |
| Sep 22, 2026 | Nomination 9991 | Angela Veronica Colmenero, of Texas, to be United States District Judge for the Southern District of TexasSep 22, 2026 · Cloture Motion Agreed to | No |
| Sep 17, 2026 | Nomination 9994 | Kasdin Miller Mitchell, of Texas, to be United States District Judge for the Northern District of TexasSep 17, 2026 · Nomination Confirmed | No |
| Sep 17, 2026 | Nomination 9994 | Kasdin Miller Mitchell, of Texas, to be United States District Judge for the Northern District of TexasSep 17, 2026 · Cloture Motion Agreed to | No |
| Sep 17, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 17, 2026 · Motion to Proceed Agreed to | Yes |
| Sep 15, 2026 | S. 4668 | Protect College Sports Act of 2026Sep 15, 2026 · Cloture on the Motion to Proceed Agreed to | Yes |
| Sep 15, 2026 | H.R. 3633 | Digital Asset Market Clarity ActSep 15, 2026 · Cloture on the Motion to Proceed Rejected | No |
| Sep 15, 2026 | Nomination 10933 | Matthew R. Byrne, of Ohio, to be United States District Judge for the Southern District of OhioSep 15, 2026 · Nomination Confirmed | No |
| Sep 14, 2026 | Nomination 10933 | Matthew R. Byrne, of Ohio, to be United States District Judge for the Southern District of OhioSep 14, 2026 · Cloture Motion Agreed to | No |
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Bills they sponsored
- S.Res. 931A resolution recognizing the month of October 2026 as Filipino American History Month and celebrating the history and culture of Filipino Americans and their immense contributions to the United States.
- S. 5578A bill to amend the Federal Water Pollution Control Act to establish the Hawaiian Islands Program, and for other purposes.
- S. 5577A bill to amend the Federal Water Pollution Control Act to provide grants to upgrade or convert small-capacity cesspools for households in the State of Hawaii.
- S.Res. 911A resolution expressing support for the recognition of September 27, 2026, to October 3, 2026, as "Asian American and Native American Pacific Islander-Serving Institutions Week".
Background
Time in office · 6 terms
Senate2025–2031 · D
Senate2019–2025 · D
Senate2013–2019 · D
House HI-22011–2013 · D
House HI-22009–2011 · D
House HI-22007–2009 · D
DW-NOMINATE is a score political scientists compute from every recorded vote a member has cast. It places members on a line from −1 (most liberal) to +1 (most conservative) by how they actually vote, not by what they say.-0.510
−1 · Liberal0Conservative · +1
Members who vote alike sit close together.