Oathstar

U.S. Senator from Hawaii · Class I

Mazie K. Hirono

Democrat 3rd term Up 2030
99LoyaltyMed 96
100AttendMed 98
5BipartMed 9
11BreaksMed 31

Position · −0.51

LEFTD · R RANGESRIGHT
In office
Senate 2013–now
House 2007–2013
19 years in CongressMore senior than 73% of the Senate
Breaks on
  • Nominations 2%
  • Armed Forces & National Security 2%
Committees
  • Armed Services
  • Energy and Natural Resources
  • Small Business and Entrepreneurship
Bills on
  • Health
  • Immigration
  • Education
Age
78

Bottom line

Where Hirono has influence

Roles

Bills on the move

None of Hirono’s bills has left committee this Congress.

Talks most about

  • Government Operations and Politics 2 statementsPressed FBI Director on repeated failures and mismanagement
  • Disaster Response 2 statementsEncouraged farmers to apply for USDA disaster assistance after Hurricane Lala
  • Education 1 statementIntroduced resolution recognizing AANAPISI Week and supporting minority-serving institutions
  • Military Readiness 1 statementDemanded accurate update on munitions shortage impacts

Stories in Hirono’s press releases with their latest stance, last three months. Read by AI.

Where Hirono breaks with Democrats

Method

Share of party-line votes on each issue where Hirono voted against most Democrats. The tick is the median for Senate Democrats.

  1. Nominations 2% · 5 of 214 party 5%
  2. Armed Forces & National Security 2% · 1 of 43 party 2%
  3. Economics and Public Finance 1% · 2 of 184 party 1%

Notable votes

Full record (Pro)

Where Hirono broke with their party, close outcomes and final passage votes on named bills, newest first.

DateMeasureTitleVote Party split (yea)Result
Sep 24, 2026 S. 4668 Protect College Sports Act of 2026On the Cloture Motion · This bill establishes requirements for name, image, or likeness (NIL) agreements for college student athletes and provides a limited…Broke w/ party Nay Passed
74–25
Sep 24, 2026 S. 4668 Protect College Sports Act of 2026On the Amendment · This bill establishes requirements for name, image, or likeness (NIL) agreements for college student athletes and provides a limited…Broke w/ party Nay Passed
77–23
Aug 8, 2026 H.R. 6500 Continuing Appropriations and Extensions Act, 2027On the Motion to Table · This bill provides continuing FY2027 appropriations for federal agencies and extends various expiring programs and authorities.Broke w/ party Nay Passed
61–32
Aug 7, 2026 H.R. 5334 Lindsey O. Graham Sanctioning Russia and Iran Act of 2026On Passage of the Bill · This bill imposes a variety of sanctions, tariffs, and prohibitions related to Russia, extends an Iran-related sanctions law, and expands a…Broke w/ party Nay Passed
86–11
Jul 29, 2026 H.R. 5334 Lindsey O. Graham Sanctioning Russia and Iran Act of 2026On the Motion to Proceed · This bill imposes a variety of sanctions, tariffs, and prohibitions related to Russia, extends an Iran-related sanctions law, and expands a…Broke w/ party Nay Passed
84–12
Jul 28, 2026 H.R. 5334 Lindsey O. Graham Sanctioning Russia and Iran Act of 2026On Cloture on the Motion to Proceed · This bill imposes a variety of sanctions, tariffs, and prohibitions related to Russia, extends an Iran-related sanctions law, and expands a…Broke w/ party Nay Passed
86–12
Jul 22, 2026 PN9993 Michael C. Martin, of Michigan, to be United States District Judge for the Eastern District of MichiganOn the NominationBroke w/ party Yea Passed
62–36
Jul 22, 2026 PN9993 Michael C. Martin, of Michigan, to be United States District Judge for the Eastern District of MichiganOn the Cloture MotionBroke w/ party Yea Passed
60–35

Yea ■ filled · Nay □ open · Not voting – dash. Party split bars: Democrats left, Republicans right; dark = yea, light = nay.

What Hirono is saying

All 11 statements and posts

◇ statements (press releases) · ○ posts. When a statement names a bill Hirono voted on, the vote is shown next to it.

Effectiveness, 119th Congress so far

How it’s measured
0.16· expected 0.64

Below expectations

Rank 97 of 100 in the Senate · expected = average of 29 minority-party members without a committee lead

How far Hirono’s own bills got, weighted by substance. The average member scores 1.00.

  1. Introduced 41
  2. Action in committee 1
  3. Action beyond committee 0
  4. Passed chamber 0
  5. Became law 0

41 bills and joint resolutions sponsored: 0 significant (got a roll call vote), 40 substantive, 1 commemorative. Compare the Senate

Became law inside another bill (1)

Hirono’s own bill stalled, but the Congressional Research Service lists an identical bill, or one with similar text, that became law. Shown for context; not counted in the score, which follows the Center for Effective Lawmaking. How this works

How Hirono’s ratings compare with every senator

Ratings, 119th Congress

Scores run 0–100 and always sit next to a median. Each tick is one senator; the ringed marker is Hirono.

100/ 100

Chamber median 98 · 4 missed of 915

Voted on 911 of 915 roll calls; missed 4. Higher than 92% of senators.

85%100%

Party loyalty

How it’s measured
99/ 100

Senate D median 96 · Rank 13 of 47

Sided with the Democratic majority on 836 votes that split the parties. Lower than 55% of senators.

75%100%
5/ 100

Chamber median 9 · −4

Average agreement with members of the other party on contested votes. Lower than 90% of senators.

0%30%
−0.51

Democratic middle 80%: -0.51 to -0.23

Left–right position from roll-call similarity (DW-NOMINATE, Voteview), from −1 to +1. Members who vote alike sit near each other.

LiberalConservative

Bills, 119th Congress

All 66 sponsored bills

Sponsored 66 (Senate median 61) · cosponsored 172 (median 308), 336 of them as an original cosponsor · most often on Health, Immigration, Education.

Votes by issue

How votes are tagged
IssueVotesYea share
Nominations222 3%
Economics and Public Finance207 65%
Other117 2%
Armed Forces & National Security52 25%
Immigration37 70%
International Affairs36 83%
Energy & environment25 0%
Congress19 11%
Environmental Protection19 32%
Finance and Financial Sector19 21%
Show all 32 issues
IssueVotesYea share
Public Lands and Natural Resources15 0%
Taxes, finance & economy14 0%
Energy13 0%
Government Operations and Politics13 23%
Sports and Recreation12 67%
Transportation and Public Works12 58%
Foreign affairs & trade10 0%
Health care10 0%
Housing and Community Development9 100%
Transportation & infrastructure8 13%
Taxation7 43%
Budget & appropriations7 0%
Foreign Trade and International Finance6 83%
Crime and Law Enforcement4 0%
Health4 75%
Education & families3 0%
Education2 50%
Emergency Management2 100%
Science, Technology, Communications2 0%
Immigration & border2 0%
Crime & justice2 50%
Families1 100%

How often Hirono voted with Democrats on each issue is part of Pro.

Who votes alike

Method

Agreement on contested votes where both cast yea or nay.

Full voting network Pro See all twelve closest allies, the members Hirono most often votes against, and the closest allies in the other party.

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Campaign money

Method

In the 2025–26 cycle Hirono’s campaign raised $563K: $513K (91%) from individuals and $38K (7%) from PACs and other committees. Cash on hand: $1.4M.

Through Jun 30, 2026; filings lag, so recent gifts can take weeks to appear. Money raised also counts loans and transfers, so the shares need not add to 100%. Source: FEC.gov.

Last cycle, party money, self-funding and debts are part of Pro. See Pro

Who funds Hirono

The largest PACs and other committees giving directly to the campaign this cycle, of 22.

  1. Pfizer Corporate PAC
  2. Booz Allen Hamilton Corporate PAC
Amounts, the top 10 and who else they fundPro

See how much each organization gave Hirono this cycle and last, the mix of corporate, labor, trade and other PACs, and who else each one funds.

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Hirono’s own leadership PAC: Pineapple PAC. A separate PAC a member sponsors to give to other candidates.

Record over time

Historical record Pro Compare Hirono’s measures across every Congress on file.

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Résumé and contact

Career in Congress

  • U.S. Senate, HawaiiDemocrat2013–present
  • U.S. House, HI-2Democrat2007–2013

Seat

State
Hawaii
Seat
Class 1, junior senator
Current term
2025–2031
Age
78

Committees and roles

All committees

Contact

DC office
202-224-6361
109 Hart Senate Office Building
District offices
Honolulu
Instagram
maziehirono

Elsewhere

Oathstar ID osp_k9betaahvc