Photo of Mazie K. Hirono

Mazie K. Hirono

D Democrat Senator from Hawaii

Seal of Hawaii Hawaii 109 Hart Senate Office Building 202-224-6361 Born 1947-11-03
Website Contact

Mazie K. Hirono is a Democrat Senator representing Hawaii, serving since 2007. Mazie K. Hirono sits on 5 committees, including Senate Committee on Armed Services and Senate Committee on Energy and Natural Resources.

Term Details

Term Start 2025-01-03
Term End 2031-01-03
Terms Served 6
Senate Class 1
State Rank Junior

Committee Assignments

Senate Committee on Armed Services
Member
Senate Committee on Energy and Natural Resources
Member
Senate Committee on Small Business and Entrepreneurship
Member
Senate Committee on the Judiciary
Member
Senate Committee on Veterans' Affairs
Member

Lobbying Exposure

Total lobbying directed at committees this member serves on

$1.2B
2023-Q1 – 2024-Q4

These figures represent total lobbying on issues within each committee’s jurisdiction, not direct contributions to this member.

Recent Activity

Nay
On the Nomination PN1129: Keith Sonderling, of Florida, to be Secretary of Labor
2026-09-30 Confirmed 47/41
Nay
Motion to Invoke Cloture: Keith Sonderling to be Secretary of Labor: Keith Sonderling, of Florida, to be Secretary of Labor
2026-09-30 Agreed to 53/47
Nay
Motion to Invoke Cloture on the Motion to Proceed to H.R. 9340
2026-09-30 Rejected 57/43
Nay
Motion to Invoke Cloture on the Motion to Proceed: H.R. 7008
2026-09-30 Rejected 53/47
S.Res. 931: A resolution recognizing the month of October 2026 as Filipino American History Month and celebrating the history and culture of Filipino Americans and their immense contributions to the U
2026-09-30

Bill Text: This resolution's text is now available. Sen. Mazie Hirono [D-HI] is the sponsor of this resolution.

S.Res. 931: A resolution recognizing the month of October 2026 as Filipino American History Month and celebrating the history and culture of Filipino Americans and their immense contributions to the U
2026-09-30

Introduced: Sponsor: Sen. Mazie Hirono [D-HI] This resolution was referred to the Senate Committee on the Judiciary which will consider it before sending it to the Senate floor for consideration. Sen. Mazie Hirono [D-HI] is a member of the committee.

Yea
On the Motion to Discharge S.Res. 852
2026-09-29 Rejected 47/51
Yea
Motion to Proceed on S.J.Res. 197: A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medica
2026-09-29 Rejected 48/51
S. 5577: A bill to amend the Federal Water Pollution Control Act to provide grants to upgrade or convert small-capacity cesspools for households in the State of Hawaii.
2026-09-29

Introduced: Sponsor: Sen. Mazie Hirono [D-HI] This bill was referred to the Senate Committee on Environment and Public Works which will consider it before sending it to the Senate floor for consideration.

S. 5578: A bill to amend the Federal Water Pollution Control Act to establish the Hawaiian Islands Program, and for other purposes.
2026-09-29

Bill Text: This bill's text is now available. Sen. Mazie Hirono [D-HI] is the sponsor of this bill.

Data from GovTrack.us

Voting Record

96.1% Party Loyalty
With Party 874
Against Party 35
Not Voting 4
909 Total Votes Cast

Broke with Party (35)

Nay
On the Cloture Motion S. 4668 2026-09-24 · Party voted Yea · Cloture Motion Agreed to
Nay
On the Amendment S.Amdt. 6776 to S. 4668 (No short title on file) 2026-09-24 · Party voted Yea · Amendment Agreed to
Nay
On the Motion to Table S.Amdt. 6747 to S.Amdt. 6732 to H.R. 6500 (No short title on file) 2026-08-08 · Party voted Yea · Motion to Table Agreed to
Nay
On Passage of the Bill H.R. 5334 2026-08-07 · Party voted Yea · Bill Passed
Nay
On the Motion to Proceed H.R. 5334 2026-07-29 · Party voted Yea · Motion to Proceed Agreed to
Nay
On Cloture on the Motion to Proceed H.R. 5334 2026-07-28 · Party voted Yea · Cloture on the Motion to Proceed Agreed to
Yea
On the Nomination PN999-3 2026-07-22 · Party voted Nay · Nomination Confirmed
Yea
On the Cloture Motion PN999-3 2026-07-22 · Party voted Nay · Cloture Motion Agreed to
Yea
On the Nomination PN711 2026-03-10 · Party voted Nay · Nomination Confirmed
Yea
On the Cloture Motion PN711 2026-03-09 · Party voted Nay · Cloture Motion Agreed to

Recent Votes

DateBillVoteResult
2026-09-30On the Nomination PN1129NayNomination Confirmed
2026-09-30On the Cloture Motion PN1129NayCloture Motion Agreed to
2026-09-30On Cloture on the Motion to Proceed H.R. 9340NayCloture on the Motion to Proceed Rejected
2026-09-30On Cloture on the Motion to Proceed H.R. 7008NayCloture on the Motion to Proceed Rejected
2026-09-29On the Motion to Discharge S.Res. 852YeaMotion to Discharge Rejected
2026-09-29On the Motion to Proceed S.J.Res. 197YeaMotion to Proceed Rejected
2026-09-28On Passage of the Bill S. 4668YeaBill Passed
2026-09-28On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file)YeaAmendment Rejected
2026-09-28On the Amendment S.Amdt. 6805 to S.Amdt. 6776 to S. 4668 (No short title on file)YeaAmendment Rejected
2026-09-28On the Amendment S.Amdt. 6760 to S.Amdt. 6776 to S. 4668 (No short title on file)YeaAmendment Rejected
2026-09-28On the Amendment S.Amdt. 6758 to S.Amdt. 6776 to S. 4668 (No short title on file)NayAmendment Rejected
2026-09-28On the Amendment S.Amdt. 6828 to S.Amdt. 6776 to S. 4668 (No short title on file)YeaAmendment Agreed to
2026-09-24On the Concurrent Resolution H.Con.Res. 89YeaConcurrent Resolution Rejected
2026-09-24On the Cloture Motion S. 4668NayCloture Motion Agreed to
2026-09-24On the Amendment S.Amdt. 6776 to S. 4668 (No short title on file)NayAmendment Agreed to
2026-09-23On the Nomination PN999-1NayNomination Confirmed
2026-09-22On the Cloture Motion S.Amdt. 6776 to S. 4668 (No short title on file)YeaCloture Motion Agreed to
2026-09-22On the Cloture Motion PN999-1NayCloture Motion Agreed to
2026-09-17On the Nomination PN999-4NayNomination Confirmed
2026-09-17On the Cloture Motion PN999-4NayCloture Motion Agreed to

Data from GovTrack.us · 119th Congress

Campaign Finance

2026 election cycle fundraising from FEC filings

$397K Total Raised
$25K From PACs
$363K From Individuals
$1.4M Cash on Hand

Top PAC Contributors

CommitteeTypeAmount
BOOZ ALLEN HAMILTON INC. PAC (BOOZ ALLEN PAC)Corp$4.5K
VERTEX PHARMACEUTICALS INCORPORATED POLITICAL ACTION COMMITTEE
VERTEX PHARMACEUTICALS INCORPORATED
Corp$3.5K
NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION PAC
NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION
Labor$2.5K
PFIZER INC. PAC
PFIZER INC.
Corp$2.5K
ELI LILLY AND COMPANY POLITICAL ACTION COMMITTEE
ELI LILLY AND COMPANY
Corp$2.5K
SANOFI US SERVICES INC. EMPLOYEES' POLITICAL ACTION COMMITTEECorp$2.5K
LUNDBECK LLC EMPLOYEE POLITICAL ACTION COMMITTEE
LUNDBECK LLC
Corp$1.5K
VERIZON COMMUNICATIONS, INC. POLITICAL ACTION COMMITTEE (VERIZON PAC)Corp$1.0K
BARNES & THORNBURG POLITICAL ACTION COMMITTEE$1.0K
RELX INC. POLITICAL ACTION COMMITTEE
RELX INC.
Corp$1.0K
ZENECA INC. POLITICAL ACTION COMMITTEE (AZPAC)
ZENECA INC.
Corp$1.0K
BRISTOL-MYERS SQUIBB COMPANY POLITICAL ACTION COMMITTEE
BRISTOL-MYERS SQUIBB COMPANY
Corp$1.0K
EISAI INC. PAC
EISAI INC.
Corp$1.0K
IHEARTMEDIA, INC. PAC
IHEARTMEDIA, INC.
Corp$1.0K
V2X, INC. POLITICAL ACTION COMMITTEE
V2X, INC.
Corp$500

2026 cycle · Data from Federal Election Commission