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Official portrait of Mazie K. Hirono

Mazie K. Hirono

U.S. Senator · Hawaii

  • Democrat
  • Since 2007
  • Tenure: 4+ terms

Refreshed 14 h ago

As of 2026-10-19 · Methodology 2026.10.1

Contact info

  • Capitol office

    109 Hart Senate Office Building Washington DC 20510

    202-224-6361

  • District offices

    Honolulu

View all contact info

Evidence & sources

  • U.S. Senate roll-call votes

    Votes and participation (senate.gov)

  • Congress.gov bill records

    Sponsored and enacted bills

  • congress-legislators

    Terms, committees, offices

Stale, last successful update 2026-10-23

View all sources

Explore this record

Scorecard

Voting Record

45.2/ 100

Ranked 36 of 47 in the Senate minority

How this score is calculated:

  • Roll calls cast

    911 of 914 while seated (99.7%)

    94th percentile in cohort · 30 % weight

  • Substantive bills sponsored

    40 of 40 sponsored · 40.6 points

    24th percentile in cohort · 70 % weight

  • Bills enacted

    0 sponsored · 2 cosponsored

    0 passed a chamber · 0 reported · 40 introduced

Promise Adherence

0 of 5 promises scored

Collecting data - coming soon

How this score is calculated:

  • Reviewed promises

    0 scored of 5 needed

    0 promises from 0 sources this term

  • Days in office this term

    669 days (180 needed)

  • Promise capture coverage

    0 of 3 source kinds settled

Impact History (coming soon)

0 of 10 matched votes

Collecting data - coming soon

How this score is calculated:

  • Matched votes

    0 of 10 needed

  • District opinion cells

    0 snapshots frozen

    Needs ≥ 25 verified respondents and a lean ≥ 0.15

Approval Rating

0 of 1 public poll on record

Collecting data - coming soon

How this score is calculated:

  • Public polls averaged

    0 of 1 needed

  • Polls on file for this officeholder

    None recorded yet

  • Most recent fieldwork

    No poll on record

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Recent activity

DateActionPolicyStatus
2025-05-08Voted nay on “On the Joint Resolution S.J.Res. 7”Joint Resolution PassedSJRES 7 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Federal Communications Commission relating to "Addressing the Homework Gap Through the E-Rate Program".Active
2025-05-08SponsoredS 1515 — Affordable Housing Credit Improvement Act of 2025Proposed
2025-05-08SponsoredS 107 — Lumbee Fairness ActProposed
2025-05-08SponsoredS 1689 — Stop Mental Health Stigma in Our Communities Act of 2025Proposed
2025-05-08SponsoredSRES 208 — A resolution supporting the designation of May 10, 2025, as "National Asian American, Native Hawaiian, and Pacific Islander Mental Health Day".Proposed
2025-05-08SponsoredSRES 214 — A resolution recognizing the significance of Asian American, Native Hawaiian, and Pacific Islander Heritage Month as an important time to celebrate the significant contributions of Asian Americans, Native Hawaiians, and Pacific Islanders to the history of the United States.Passed 2025-05-22
2025-05-07Voted nay on “On the Joint Resolution S.J.Res. 13”Joint Resolution PassedSJRES 13 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Comptroller of the Currency of the Department of the Treasury relating to the review of applications under the Bank Merger Act.Passed 2025-06-20
2025-05-07SponsoredS 1668 — End Crypto Corruption Act of 2025Proposed
2025-05-07SponsoredS 1663 — Therapeutic Fraud Prevention Act of 2025Proposed
2025-05-06Voted nay on “On the Motion to Proceed H.J.Res. 60”Motion to Proceed Agreed toHJRES 60 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Park Service relating to "Glen Canyon National Recreation Area: Motor Vehicles".Passed 2025-05-23
2025-05-06Voted nay on “On the Motion to Proceed S.J.Res. 7”Motion to Proceed Agreed toSJRES 7 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Federal Communications Commission relating to "Addressing the Homework Gap Through the E-Rate Program".Active
2025-05-06Voted nay on “On the Nomination PN20”Nomination ConfirmedNo bill (motion or nomination)
2025-05-06Voted nay on “On the Motion to Proceed S.J.Res. 13”Motion to Proceed Agreed toSJRES 13 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Comptroller of the Currency of the Department of the Treasury relating to the review of applications under the Bank Merger Act.Passed 2025-06-20
2025-05-06Voted nay on “On the Joint Resolution H.J.Res. 61”Joint Resolution PassedHJRES 61 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "National Emission Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing".Passed 2025-05-23
2025-05-06SponsoredS 1316 — Strong Communities Act of 2025Active
2025-05-06SponsoredSRES 205 — A resolution condemning recent attacks on the free press by President Donald J. Trump and reaffirming the United States commitment to preserving and protecting freedom of the press as a cornerstone of democracy.Proposed
2025-05-06SponsoredS 1624 — PATCH ActProposed
2025-05-05Voted nay on “On the Motion to Proceed H.J.Res. 61”Motion to Proceed Agreed toHJRES 61 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "National Emission Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing".Passed 2025-05-23
2025-05-05SponsoredS 1601 — Journalist Protection ActProposed
2025-05-05SponsoredSRES 202 — A resolution recognizing the significance of "Community College Month" in April 2025 as a celebration of the more than 1,000 community colleges throughout the United States that support access to higher education, workforce training, and more, and broadly sustain and advance the economic prosperity of the United States.Passed 2025-05-05
2025-05-05SponsoredS 1593 — Small Business Liberation ActProposed
2025-05-05SponsoredSRES 200 — A resolution expressing support for the designation of May 5, 2025, as the "National Day of Awareness for Missing and Murdered Indigenous Women and Girls".Passed 2025-05-05
2025-05-05SponsoredSRES 201 — A resolution expressing support for the designation of the week of May 4, 2025, through May 10, 2025, as "National Small Business Week" to celebrate the contributions of small businesses and entrepreneurs in every community in the United States.Passed 2025-05-05
2025-05-01Voted nay on “On the Cloture Motion PN20”Cloture Motion Agreed toNo bill (motion or nomination)
2025-05-01Voted nay on “On the Joint Resolution S.J.Res. 31”Joint Resolution PassedSJRES 31 — 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 "Review of Final Rule Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act".Passed 2025-06-20
This score is a guide, not a verdict.