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Composite score - coming soon

Official portrait of Mazie K. Hirono

Mazie K. Hirono

U.S. Senator · Hawaii

  • Democrat
  • Since 2007
  • Tenure: 4+ terms

Refreshed 12 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
2025-05-01Voted nay on “On the Joint Resolution H.J.Res. 75”Joint Resolution PassedHJRES 75 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of Energy Efficiency and Renewable Energy, Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Commercial Refrigerators, Freezers, and Refrigerator-Freezers".Passed 2025-05-09
2025-05-01SponsoredS 1553 — PREVAIL ActProposed
2025-05-01SponsoredSRES 198 — A resolution expressing the sense of the Senate that the Secretary of Health and Human Services should withdraw a reduction in public notice and comment opportunities.Proposed
2025-04-30Voted nay on “On the Motion to Proceed S.J.Res. 31”Motion to Proceed Agreed toSJRES 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
2025-04-30Voted nay on “On the Motion to Table S.J.Res. 49”Motion to Table Agreed toSJRES 49 — A joint resolution terminating the national emergency declared to impose global tariffs.Failed
2025-04-30Voted yea on “On the Joint Resolution S.J.Res. 49”Joint Resolution DefeatedSJRES 49 — A joint resolution terminating the national emergency declared to impose global tariffs.Failed
2025-04-30Voted nay on “On the Motion to Proceed H.J.Res. 75”Motion to Proceed Agreed toHJRES 75 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of Energy Efficiency and Renewable Energy, Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Commercial Refrigerators, Freezers, and Refrigerator-Freezers".Passed 2025-05-09
2025-04-30Voted nay on “On the Joint Resolution H.J.Res. 42”Joint Resolution PassedHJRES 42 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program for Appliance Standards: Certification Requirements, Labeling Requirements, and Enforcement Provisions for Certain Consumer Products and Commercial Equipment".Passed 2025-05-09
2025-04-30SponsoredS 1534 — Women and Underrepresented Minorities in STEM Booster Act of 2025Proposed
2025-04-30SponsoredSRES 190 — A resolution seeking justice for the Japanese citizens abducted by North Korea.Proposed
2025-04-30SponsoredS 1531 — Assault Weapons Ban of 2025Proposed
2025-04-29Voted nay on “On the Motion to Proceed H.J.Res. 42”Motion to Proceed Agreed toHJRES 42 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program for Appliance Standards: Certification Requirements, Labeling Requirements, and Enforcement Provisions for Certain Consumer Products and Commercial Equipment".Passed 2025-05-09
2025-04-29Voted nay on “On the Nomination PN26-18”Nomination ConfirmedNo bill (motion or nomination)
2025-04-29Voted nay on “On the Cloture Motion PN26-18”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-29Voted nay on “On the Nomination PN26-3”Nomination ConfirmedNo bill (motion or nomination)
2025-04-29Voted nay on “On the Cloture Motion PN26-3”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-29Voted nay on “On the Nomination PN24-5”Nomination ConfirmedNo bill (motion or nomination)
2025-04-29Voted nay on “On the Cloture Motion PN24-5”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-29Voted nay on “On the Nomination PN54-5”Nomination ConfirmedNo bill (motion or nomination)
2025-04-29SponsoredS 1503 — Equality ActProposed
2025-04-29SponsoredS 1506 — Medicare for All ActProposed
2025-04-28Voted nay on “On the Cloture Motion PN54-5”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-11Voted nay on “On the Nomination PN27”Nomination ConfirmedNo bill (motion or nomination)
2025-04-11Voted nay on “On the Cloture Motion PN27”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-11Voted nay on “On the Nomination PN28”Nomination ConfirmedNo bill (motion or nomination)
This score is a guide, not a verdict.