Composite score - coming soon
Mazie K. Hirono
U.S. Senator · Hawaii
- Democrat
- Since 2007
- Tenure: 4+ terms
Refreshed 19 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
668 days (180 needed)
Promise capture coverage
0 of 3 source kinds settled
What counts toward promise adherence
0 promises from 0 sources for this term · 0 scored · 0 aspirational, displayed but not scored. Scores start at 50 and move with evidence.
The adherence score is withheld until every check below is met; it never shows a zero for missing evidence.
- Not yet 5 scored promises · 0 of 5 so far
- Met 180 days in office · 668 days so far
- Not yet Complete capture coverage · 0 of 3 source kinds settled
Capture checklist
The source kinds searched for this term's promises, so the score never rests on whichever promises happened to be collected.
- Not yet captured Campaign issues page
- Not yet captured Announcement or acceptance speech
- Not yet captured Debate transcript or candidate questionnaire
Weights and floors are methodology parameters; see how these are computed.
What counts toward effectiveness
40 substantive bills sponsored · 2 cosponsored bills enacted · 911 of 914 roll calls cast. Points by the furthest stage each sponsored bill reached: introduced 1, reported 2, passed a chamber 4, enacted 8; the highest-scoring bills are listed.
- S 1534: Women and Underrepresented Minorities in STEM Booster Act of 2025 · furthest stage introduce (1 points)
- S 85: Continued Rapid Ohia Death Response Act of 2025 · furthest stage introduce (1 points)
- S 338: Fred Korematsu Congressional Gold Medal Act of 2025 · furthest stage introduce (1 points)
- S 1689: Stop Mental Health Stigma in Our Communities Act of 2025 · furthest stage introduce (1 points)
- S 803: Keep Americans Safe Act · furthest stage introduce (1 points)
- S 1275: Impact Aid Infrastructure Partnership Act · furthest stage introduce (1 points)
- S 716: A bill for the relief of Vichai Sae Tung (also known as Chai Chaowasaree). · furthest stage introduce (1 points)
- S 1297: Fair Day in Court for Kids Act of 2025 · furthest stage introduce (1 points)
Roll-call attendance by session
- Senate 119-1: 657 of 659 roll calls cast, 2 not voting
- Senate 119-2: 254 of 256 roll calls cast, 1 not voting, 1 recorded leave of absence
Public opinion polls
The published surveys behind the Approval Rating, each with its pollster, dates and sample; job approval and favorability are different questions and are labeled as such.
No public approval survey on record for this office.