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Official portrait of Mazie K. Hirono

Mazie K. Hirono

U.S. Senator · Hawaii

  • Democrat
  • Since 2007
  • Tenure: 4+ terms

Refreshed 20 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

Filter

Recent activity

DateActionPolicyStatus
2025-11-20Voted nay on “On the Joint Resolution H.J.Res. 130”Joint Resolution PassedHJRES 130 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment.Passed 2025-12-11
2025-11-20SponsoredS 3277 — Strengthening Loan Forgiveness for Public Service Workers ActProposed
2025-11-20SponsoredS 3243 — Ending Forced Arbitration of Race Discrimination Act of 2025Proposed
2025-11-20SponsoredSRES 518 — A resolution designating October 2025 as "National Principals Month".Passed 2025-12-03
2025-11-20SponsoredSRES 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.Proposed
2025-11-20SponsoredS 3280 — Measuring Availability of Providers (MAP) for Veterans ActProposed
2025-11-20SponsoredS 3281 — Restoring Food Security for American Families and Farmers Act of 2025Proposed
2025-11-19Voted yea on “On the Motion to Proceed S.J.Res. 76”Motion to Proceed RejectedSJRES 76 — 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 "Extension of Deadlines in Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review Final Rule".Active
2025-11-19Voted nay on “On the Motion to Proceed S.J.Res. 89”Motion to Proceed Agreed toSJRES 89 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment".Active
2025-11-19Voted nay on “On the Nomination PN445-6”Nomination ConfirmedNo bill (motion or nomination)
2025-11-19SponsoredS 3214 — Background Check Expansion ActProposed
2025-11-19SponsoredS 3226 — Bring Our Heroes Home ActProposed
2025-11-19SponsoredS 3210 — EXPERTS Act of 2025Proposed
2025-11-18Voted nay on “On the Cloture Motion PN445-6”Cloture Motion Agreed toNo bill (motion or nomination)
2025-11-18SponsoredS 3182 — No Torts for Trump ActProposed
2025-11-18SponsoredSRES 501 — A resolution recognizing National Native American Heritage Month and celebrating the heritages and cultures of Native Americans and the contributions of Native Americans to the United States.Passed 2025-11-18
2025-11-18SponsoredS 1538 — Better CARE for Animals Act of 2025Proposed
2025-11-18SponsoredS 3195 — Anti-Cash Grab ActProposed
2025-11-18SponsoredS 3196 — Right to Representation for Department of Veterans Affairs Workers Act of 2025Proposed
2025-11-18SponsoredS 3187 — Bivens Act of 2025Proposed
2025-11-10Voted nay on “On Passage of the Bill H.R. 5371”Bill PassedHR 5371 — Continuing Appropriations, Agriculture, Legislative Branch, Military Construction and Veterans Affairs, and Extensions Act, 2026Passed 2025-11-12
2025-11-10Voted nay on “On the Cloture Motion H.R. 5371”Cloture Motion Agreed toHR 5371 — Continuing Appropriations, Agriculture, Legislative Branch, Military Construction and Veterans Affairs, and Extensions Act, 2026Passed 2025-11-12
2025-11-10Voted nay on “On the Amendment S.Amdt. 3937 to H.R. 5371 (No short title on file)”Amendment Agreed toNo bill (motion or nomination)
2025-11-10Voted nay on “On the Cloture Motion S.Amdt. 3937 to H.R. 5371 (No short title on file)”Cloture Motion Agreed toNo bill (motion or nomination)
2025-11-10Voted yea on “On the Motion to Table S.Amdt. 3941 to S.Amdt. 3937 to H.R. 5371 (No short title on file)”Motion to Table Agreed toNo bill (motion or nomination)
This score is a guide, not a verdict.