Hirono, Mazie K.
In office since
2007 · 19 yrs
Chambers served
House & Senate
Born
1947, Koori
Occupation
Jurist, Jurisprudence, Writer, Lawyer, Politician
Education
University of Hawaiʻi at Mānoa · Kaimuki High School · Georgetown University Law Center
Office history
- member of the Hawaii House of Representatives 1981–1994
- Lieutenant Governor of Hawaii 1994–2002
- United States representative 2007–2009
- United States representative 2009–2011
- United States representative 2011–2013
- United States senator 2013–2015
- United States senator 2015–2017
- United States senator 2017–2019
- United States senator 2019–2021
- United States senator 2021–2023
- United States senator 2023–present
Contact
Capitol office
109 Hart Senate Office Building Washington DC 20510
202-224-6361
District office · Honolulu
300 Ala Moana Blvd., Honolulu, HI, 96850
808-522-8970
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60
Bills sponsored
this session · 246 all-time
473
Bills co-sponsored
this session · 478 all-time
—
Enacted into law
counting…
899
Recorded votes
100%
Vote participation
voted in 100% of 899 recorded votes
Voting scorecard
119 session · computed from recorded roll-call votes
Party unity
95.9%
based on 271 votes
Votes with own party's majority
Independence
4.1%
based on 271 votes
Votes against own party's majority
Participation
100%
based on 271 votes
Roll calls where a yes/no was cast
Sponsored (introduced)
246 billsCurrent session 60 bills
- S 892 Veteran Fraud Reimbursement Act of 2025 In Committee
- SCONRES 9 A concurrent resolution expressing support for the recognition of March 10, 2025, as "Abortion Provider Appreciation Day". In Committee
- S 803 Keep Americans Safe Act In Committee
- S 716 A bill for the relief of Vichai Sae Tung (also known as Chai Chaowasaree). In Committee
- S 692 Sustainable Vessel Fuel Act In Committee
- S 461 Filipino Veterans Family Reunification Act of 2025 In Committee
- S 338 Fred Korematsu Congressional Gold Medal Act of 2025 In Committee
- SRES 47 A resolution designating January 30, 2025, as "Fred Korematsu Day of Civil Liberties and the Constitution". In Committee
- S 193 Neighbors Not Enemies Act In Committee
- S 85 Continued Rapid Ohia Death Response Act of 2025 In Committee
- SRES 542 A resolution commemorating the 50th anniversary of Southeast Asian refugee resettlement and the many contributions and sacrifices of Southeast Asian Americans to the United States. In Committee
- S 3419 Reuniting Families Act In Committee
- SRES 511 A resolution supporting the goals and principles of Transgender Day of Remembrance by recognizing the epidemic of violence toward transgender people and memorializing the lives lost this year. In Committee
- SRES 423 A resolution recognizing the month of October 2025 as Filipino American History Month and celebrating the history and culture of Filipino Americans and their immense contributions to the United States. In Committee
- SRES 406 A resolution designating September 30, 2025, as "Impact Aid Recognition Day" to recognize and celebrate the 75th anniversary of the establishment of the Impact Aid program. Passed
- S 2923 PAAF Act In Committee
- SRES 405 A resolution expressing support for the recognition of September 22, 2025, to September 28, 2025, as "Asian American and Native American Pacific Islander-Serving Institutions Week". In Committee
- S 2897 Tropical Plant Health Initiative Act In Committee
- SRES 366 A resolution commemorating the 69th anniversary of the continuous operations of the Mauna Loa Observatory. In Committee
- S 2614 Protecting and Preserving Social Security Act In Committee
- S 2633 Saving NOAA’s Workforce Act In Committee
- S 2630 Saving NSF’s Workforce Act In Committee
- S 2632 Saving NASA’s Workforce Act In Committee
- S 2631 Saving NIST’s Workforce Act In Committee
- S 2549 Time Off to Vote Act In Committee
Historical 186 bills
- S 1136 Pell Grant Preservation and Expansion Act Died
- S 1056 Veteran Small Business Export Promotion Act Died
- S 137 Fred Korematsu Congressional Gold Medal Act of 2023 Died
- SRES 19 A resolution recognizing the importance of establishing a national "Fred Korematsu Day of Civil Liberties and the Constitution". Died
- SCONRES 14 A concurrent resolution authorizing the use of Emancipation Hall in the Capitol Visitor Center for an event to celebrate the birthday of King Kamehameha I. Died
- S 2579 STEM Opportunities Act of 2019 Died
- S 2578 Women and Minorities in STEM Booster Act of 2019 Died
- S 958 Coral Reef Sustainability Through Innovation Act of 2017 Died
- S 899 Veterans Providing Healthcare Transition Improvement Act Signed
- S 901 A bill to prohibit any reduction in the amount of the per diem allowance to which members of the Army, Navy, Air Force, and Marine Corps or civilian employees of the Department of Defense are entitled based on the duration of temporary duty assignments or official travel, and for other purposes. Died
- S 900 Year-Round Pell Grant Restoration Act Died
- S 2489 Keeping Our Commitment to Ending Veteran Homelessness Act of 2019 Died
- S 2484 Keeping Our Commitment to Overseas Veterans Act of 2019 Died
- S 2482 Protect American Values Act Died
- S 2384 Botanical Sciences and Native Plant Materials Research, Restoration, and Promotion Act Died
- S 2380 Next Generation Electric Systems Act of 2019 Died
- S 2345 GI Bill Access to Career Credentials Act of 2019 Died
- S 683 Keeping Our Commitment to Disabled Veterans Act of 2017 Died
- S 2281 IDEA Act Died
- SRES 284 A resolution calling upon the United States Senate to give its advice and consent to the ratification of the United Nations Convention on the Law of the Sea. Died
- S 2218 Covering our FAS Allies Act Died
- S 2191 Native American Business Outreach Act Died
- S 2190 Northern Mariana Islands Small Business Act Died
- S 2189 Veteran Small Business Export Promotion Act Died
- S 504 Asia-Pacific Economic Cooperation Business Travel Cards Act of 2017 Signed
Co-sponsored
478 billsCurrent session 473 bills
- S 4791 A bill to abolish the Anti-Weaponization Fund, and for other purposes. In Committee
- S 4800 Land of the Free Act of 2026 In Committee
- S 4814 A bill to require the Secretary of Homeland Security to designate Haiti for temporary protected status. In Committee
- S 4830 A bill to designate the facility of the United States Postal Service located at 86-014 Farrington Highway in Waianae, Hawaii, as the "United States Representative Colleen Hanabusa Post Office Building". In Committee
- SRES 775 A resolution reaffirming the importance of the United States promoting the safety, health, and well-being of refugees and displaced persons in the United States and around the world. In Committee
- SRES 781 A resolution commemorating June 19, 2026, as "Juneteenth National Independence Day" in recognition of June 19, 1865, the date on which news of the end of slavery reached the slaves in the Southwestern States. In Committee
- S 4847 Summer for All Act In Committee
- S 4865 Latonya Reeves Freedom Act of 2026 In Committee
- SRES 794 A resolution expressing support for the designation of July 10, 2026, as Journeyman Lineworkers Recognition Day. Passed
- S 4884 Right to Vote Act In Committee
- SJRES 199 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Health and Human Services relating to "Restoring Flexibility in the Child Care and Development Fund (CCDF)". In Committee
- SRES 789 A resolution recognizing June 2026, as "LGBTQ Pride Month". In Committee
- S 4926 State Firearms Dealer Licensing Enhancement Act In Committee
- S 4878 Reproductive Health Care Training Act of 2026 In Committee
- S 4922 Reproductive Health Travel Fund Act of 2026 In Committee
- S 4879 Let Doctors Provide Reproductive Health Care Act In Committee
- SRES 790 A resolution recognizing and honoring the 27th anniversary of the Supreme Court decision in Olmstead v L.C. In Committee
- S 4919 Wage Theft Prevention and Wage Recovery Act In Committee
- SRES 796 A resolution recognizing the upcoming 250th anniversary of the United States of America and reaffirming the commitment of the Senate to the Nation's founding ideals of liberty, equality, and opportunity for all immigrant communities in the United States. In Committee
- S 4985 Language Access for All Act of 2026 In Committee
- S 4999 A bill to prohibit certain transfers of aircraft provided by the Government of Qatar, and for other purposes. In Committee
- SRES 801 A resolution honoring the life and legacy of the Honorable Lindsey Olin Graham, a Senator from the State of South Carolina. Passed
- S 4389 HELP Separated Children Act In Committee
- SJRES 186 A joint resolution proposing an amendment to the Constitution of the United States relative to the fundamental right to vote. In Committee
- S 4411 Investing in the American Dream Act In Committee
Historical 5 bills
- SRES 347 A resolution designating October 2, 2019, as "Energy Efficiency Day" in celebration of the economic and environmental benefits that have been driven by private sector innovation and Federal energy efficiency policies. Died
- S 2128 National Guard and Reservists Debt Relief Extension Act of 2019 Died
- S 464 Safe Step Act Died
- S 367 ANTIQUITIES Act Died
- SRES 19 A resolution relative to the death of Edward W. Brooke, III, former United States Senator for the Commonwealth of Massachusetts. Died
Voting record
Current session 17 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
|
HR 9340
Ratepayer Protection Act
On Cloture on the Motion to Proceed H.R. 9340 |
Nay | fail | September 30, 2026 |
|
HR 7008
Stop Insider Trading Act
On Cloture on the Motion to Proceed H.R. 7008 |
Nay | fail | September 30, 2026 |
|
SJRES 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".
On the Motion to Proceed S.J.Res. 197 |
Yea | fail | September 29, 2026 |
|
S 4668
Protect College Sports Act of 2026
On Passage of the Bill S. 4668 |
Yea | pass | September 28, 2026 |
|
HCONRES 89
Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.
On the Concurrent Resolution H.Con.Res. 89 |
Yea | fail | September 24, 2026 |
|
S 4668
Protect College Sports Act of 2026
On the Cloture Motion S. 4668 |
Nay | pass | September 24, 2026 |
|
S 4668
Protect College Sports Act of 2026
On the Motion to Proceed S. 4668 |
Yea | pass | September 17, 2026 |
|
S 4668
Protect College Sports Act of 2026
On Cloture on the Motion to Proceed S. 4668 |
Yea | pass | September 15, 2026 |
|
HR 3633
Digital Asset Market Clarity Act
On Cloture on the Motion to Proceed H.R. 3633 |
Nay | fail | September 15, 2026 |
|
HR 6500
Continuing Appropriations and Extensions Act, 2027
On Passage of the Bill H.R. 6500 |
Yea | pass | August 08, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On Passage of the Bill H.R. 5334 |
Nay | pass | August 07, 2026 |
|
SJRES 187
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 "Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)".
On the Motion to Proceed S.J.Res. 187 |
Yea | fail | August 05, 2026 |
|
HR 6500
Continuing Appropriations and Extensions Act, 2027
On Cloture on the Motion to Proceed H.R. 6500 |
Yea | pass | August 03, 2026 |
|
SJRES 181
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.
On the Motion to Discharge S.J.Res. 181 |
Yea | fail | July 30, 2026 |
|
SJRES 199
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Health and Human Services relating to "Restoring Flexibility in the Child Care and Development Fund (CCDF)".
On the Motion to Proceed S.J.Res. 199 |
Yea | fail | July 30, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On the Motion to Proceed H.R. 5334 |
Nay | pass | July 29, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On Cloture on the Motion to Proceed H.R. 5334 |
Nay | pass | July 28, 2026 |
Historical 33 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
| On the Nomination PN1129 | Nay | pass | September 30, 2026 |
| On the Cloture Motion PN1129 | Nay | pass | September 30, 2026 |
| On the Motion to Discharge S.Res. 852 | Yea | fail | September 29, 2026 |
| On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6805 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6760 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6758 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6828 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 28, 2026 |
| On the Amendment S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | pass | September 24, 2026 |
| On the Nomination PN999-1 | Nay | pass | September 23, 2026 |
| On the Cloture Motion S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 22, 2026 |
| On the Cloture Motion PN999-1 | Nay | pass | September 22, 2026 |
| On the Nomination PN999-4 | Nay | pass | September 17, 2026 |
| On the Cloture Motion PN999-4 | Nay | pass | September 17, 2026 |
| On the Nomination PN1093-3 | Nay | pass | September 15, 2026 |
| On the Cloture Motion PN1093-3 | Nay | pass | September 14, 2026 |
| On Cloture on the Motion to Proceed S. 5271 | Nay | fail | August 08, 2026 |
| On the Nomination PN1078 | Nay | pass | August 08, 2026 |
| On the Cloture Motion PN1078 | Nay | pass | August 08, 2026 |
| On the Motion to Table S.Amdt. 6747 to S.Amdt. 6732 to H.R. 6500 (No short title on file) | Nay | pass | August 08, 2026 |
| On the Cloture Motion S.Amdt. 6732 to H.R. 6500 (No short title on file) | Yea | pass | August 07, 2026 |
| On the Nomination PN961-1 and PN937-5 and PN901-1 and PN730-38 and PN962-3 and PN931-6 and PN1022-25 and PN806-5 and PN1022-10 and PN1012 and PN931-5 and PN931-4 and PN937-2 and PN1022-22 and PN962-1 and PN961-4 and PN901-3 and PN806-7 and PN730-23 and PN1022-7 and PN1022-6 and PN961-3 and PN937-9 and PN937-8 and PN937-7 and PN1022-34 and PN1022-31 and PN1022-15 and PN1022-9 and PN1022-8 and PN1022-3 and PN961-9 and PN931-2 and PN1093-2 and PN1093-1 and PN1011 and PN961-2 and PN930-8 and PN930-6 and PN930-5 and PN930-1 and PN901-12 and PN901-2 and PN850 and PN787-2 and PN730-18 and PN730-2 and PN933 and PN852-3 and PN806-2 and PN961-7 and PN901-7 and PN901-6 and PN792 and PN786-10 and PN931-3 and PN730-59 and PN786-5 and PN937-1 and PN901-11 and PN859-5 and PN730-36 and PN901-5 and PN859-2 and PN859-1 and PN901-10 and PN852-11 and PN852-9 and PN859-6 and PN852-6 and PN852-5 and PN852-2 and PN806-9 and PN730-11 | Nay | pass | August 07, 2026 |
| On the Amendment S.Amdt. 6715 to S.Amdt. 6711 to H.R. 5334 (No short title on file) | Yea | fail | August 07, 2026 |
| On the Cloture Motion PN961-1 and PN937-5 and PN901-1 and PN730-38 and PN962-3 and PN931-6 and PN1022-25 and PN806-5 and PN1022-10 and PN1012 and PN931-5 and PN931-4 and PN937-2 and PN1022-22 and PN962-1 and PN961-4 and PN901-3 and PN806-7 and PN730-23 and PN1022-7 and PN1022-6 and PN961-3 and PN937-9 and PN937-8 and PN937-7 and PN1022-34 and PN1022-31 and PN1022-15 and PN1022-9 and PN1022-8 and PN1022-3 and PN961-9 and PN931-2 and PN1093-2 and PN1093-1 and PN1011 and PN961-2 and PN930-8 and PN930-6 and PN930-5 and PN930-1 and PN901-12 and PN901-2 and PN850 and PN787-2 and PN730-18 and PN730-2 and PN933 and PN852-3 and PN806-2 and PN961-7 and PN901-7 and PN901-6 and PN792 and PN786-10 and PN931-3 and PN730-59 and PN786-5 and PN937-1 and PN901-11 and PN859-5 and PN730-36 and PN901-5 and PN859-2 and PN859-1 and PN901-10 and PN852-11 and PN852-9 and PN859-6 and PN852-6 and PN852-5 and PN852-2 and PN806-9 and PN730-11 | Nay | pass | August 05, 2026 |
| On the Resolution S.Res. 817 | Nay | pass | July 30, 2026 |
| On the Cloture Motion S.Res. 817 | Nay | pass | July 29, 2026 |
| On the Nomination PN932 | Nay | pass | August 05, 2026 |
| On the Cloture Motion PN932 | Not Voting | pass | August 05, 2026 |
| On the Nomination PN1092 | Nay | pass | July 28, 2026 |
| On the Cloture Motion PN1092 | Nay | pass | July 27, 2026 |
| On the Cloture Motion PN373 | Nay | pass | December 18, 2025 |
| On the Cloture Motion PN615-2 | Nay | pass | December 18, 2025 |
| On the Cloture Motion PN12-1 | Nay | pass | December 18, 2025 |
Career history 5 past roles
- Upper chamber Democratic
- Upper chamber Democratic
- Upper chamber Democratic
- Upper chamber Democratic
- Upper chamber Democratic