Composite score - coming soon
Mazie K. Hirono
U.S. Senator · Hawaii
- Democrat
- Since 2007
- Tenure: 4+ terms
Refreshed 6 h ago
As of 2026-10-19 · Methodology 2026.10.1Contact info
Capitol office
109 Hart Senate Office Building Washington DC 20510
202-224-6361
District offices
Honolulu
View all contact info
- Official website
- Biographical Directory of Congress
- GovTrack
- Capitol office: 109 Hart Senate Office Building Washington DC 20510 · 202-224-6361
- 300 Ala Moana Blvd., Rm. 3-106, Prince Kuhio Federal Building, Honolulu, HI, 96850 · 808-522-8970
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 sourcesExplore this record
Scorecard
Voting Record
45.2/ 100
Ranked 36 of 47 in the Senate minority
Voting Record
45.2/ 100
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
Promise Adherence
0 of 5 promises scored
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
Recent activity
| Date | Action | Policy | Status |
|---|---|---|---|
| 2025-03-14 | Voted yea on “On the Amendment S.Amdt. 1272 to H.R. 1968 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-03-14 | Voted yea on “On the Amendment S.Amdt. 1274 to H.R. 1968 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-03-14 | Voted yea on “On the Amendment S.Amdt. 1273 to H.R. 1968 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-03-14 | Voted nay on “On the Cloture Motion H.R. 1968”Cloture Motion Agreed to | HR 1968 — Full-Year Continuing Appropriations and Extensions Act, 2025 | Passed 2025-03-15 |
| 2025-03-14 | Voted nay on “On Passage of the Bill S. 331”Bill Passed | S 331 — HALT Fentanyl Act | Passed 2025-07-16 |
| 2025-03-14 | Voted nay on “On the Nomination PN12-16”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-14 | Voted nay on “On the Cloture Motion PN12-16”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-14 | Sponsored | SRES 129 — A resolution recognizing and honoring teachers who have earned or maintained National Board Certification. | Passed 2025-03-14 |
| 2025-03-14 | Sponsored | S 1076 — Preventing Illegal Weapons Trafficking Act of 2025 | Proposed |
| 2025-03-13 | Voted nay on “On the Nomination PN22-12”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-13 | Voted nay on “On the Cloture Motion S. 331”Cloture Motion Agreed to | S 331 — HALT Fentanyl Act | Passed 2025-07-16 |
| 2025-03-13 | Voted nay on “On the Cloture Motion PN22-12”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-13 | Voted nay on “On the Nomination PN13-12”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-13 | Voted nay on “On the Cloture Motion PN13-12”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-13 | Sponsored | S 1032 — Major Richard Star Act | Proposed |
| 2025-03-13 | Sponsored | S 1052 — A bill to amend the John D. Dingell, Jr. Conservation, Management, and Recreation Act to reauthorize the National Volcano Early Warning and Monitoring System, and for other purposes. | Proposed |
| 2025-03-13 | Sponsored | S 1068 — Putting Veterans First Act of 2025 | Proposed |
| 2025-03-12 | Voted nay on “On the Nomination PN12-42”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-12 | Voted nay on “On the Cloture Motion PN12-42”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-12 | Voted nay on “On the Nomination PN19”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-12 | Voted nay on “On the Cloture Motion PN19”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-12 | Sponsored | S 986 — Safe Schools Improvement Act | Proposed |
| 2025-03-12 | Sponsored | S 997 — Rights for the TSA Workforce Act | Proposed |
| 2025-03-12 | Sponsored | S 988 — Women's Retirement Protection Act | Proposed |
| 2025-03-12 | Sponsored | S 991 — A bill to amend the Small Business Act to eliminate certain requirements relating to the award of construction subcontracts within the county or State of performance. | Proposed |