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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 11 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
2025-04-11Voted nay on “On the Cloture Motion PN28”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-10Voted nay on “On the Nomination PN12-29”Nomination ConfirmedNo bill (motion or nomination)
2025-04-10Voted nay on “On the Cloture Motion PN12-29”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-10Voted nay on “On the Joint Resolution H.J.Res. 20”Joint Resolution PassedHJRES 20 — 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: Energy Conservation Standards for Consumer Gas-fired Instantaneous Water Heaters".Passed 2025-05-09
2025-04-10SponsoredSRES 169 — A resolution expressing support for the staff of public, school, academic, and special libraries in the United States and the essential services those libraries provide to communities, recognizing the need for funding commensurate with the broad scope of social service and community supports provided by libraries, preserving the right of all citizens of the United States to freely access information and resources in their communities, supporting a strong union voice for library workers, and defending the civil rights of library staff.Proposed
2025-04-10SponsoredSRES 180 — A resolution designating the week of April 19 through April 27, 2025, as "National Park Week".Passed 2025-04-10
2025-04-10SponsoredS 1489 — Anti-Racism in Public Health Act of 2025Proposed
2025-04-10SponsoredS 1491 — SEER Act 2025Proposed
2025-04-10SponsoredS 1415 — Housing Unhoused Disabled Veterans ActProposed
2025-04-10SponsoredS 1477 — Housing for All Act of 2025Proposed
2025-04-10SponsoredS 1448 — Pursuing Equity in Mental Health ActProposed
2025-04-10SponsoredS 1421 — Child and Dependent Care Tax Credit Enhancement Act of 2025Proposed
2025-04-10SponsoredS 1447 — Early Childhood Nutrition Improvement ActProposed
2025-04-10SponsoredS 1420 — Child Care Nutrition Enhancement Act of 2025Proposed
2025-04-09Voted nay on “On the Motion to Proceed H.J.Res. 20”Motion to Proceed Agreed toHJRES 20 — 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: Energy Conservation Standards for Consumer Gas-fired Instantaneous Water Heaters".Passed 2025-05-09
2025-04-09Voted nay on “On the Nomination PN12-18”Nomination ConfirmedNo bill (motion or nomination)
2025-04-09Voted nay on “On the Nomination PN25-6”Nomination ConfirmedNo bill (motion or nomination)
2025-04-09Voted nay on “On the Nomination PN25-22”Nomination ConfirmedNo bill (motion or nomination)
2025-04-09Voted nay on “On the Nomination PN25-18”Nomination ConfirmedNo bill (motion or nomination)
2025-04-09Voted nay on “On the Nomination PN25-20”Nomination ConfirmedNo bill (motion or nomination)
2025-04-09Voted nay on “On the Cloture Motion PN12-18”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-09SponsoredS 1393 — American Family ActProposed
2025-04-09SponsoredS 1372 — Tax Cut for Workers Act of 2025Proposed
2025-04-09SponsoredS 1370 — GOSAFE ActProposed
2025-04-09SponsoredS 1394 — Expanding Access to Family Planning ActProposed
This score is a guide, not a verdict.