DemocratIn office since Nov 2018

Sharon Moriwaki

Hawaii State Senator, District 12 since 2018. Next on the ballot in 2028.

Hawaii State Senator, District 12

In office
7 yrs
Since 2018
Bills became law
35
450 sponsored, 2025–2026 session
Votes missed
0.1%
Chamber median 0.6%
With party
99%
On votes splitting the parties
Last margin
+40.8
Won 2024
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Ways and Means · vice chair
  • Government Operations
  • Labor and Technology

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 450 sponsored · 35 became law
BillIntroCmteSenateHouseLaw
SB 2338 RELATING TO HOUSING.
Deputy Executive Director · Became law Jul 2026
SB 2031 RELATING TO CONSUMER PROTECTION.
Consumer Protection · Became law Jul 2026
SB 2866 RELATING TO KUPUNA HOUSING.
HPHA · Became law Jul 2026
SB 3325 RELATING TO PUBLIC SCHOOL MEDICAID REIMBURSEMENTS.
Administrative and Support Services · Became law Jul 2026
SB 3324 RELATING TO MEDICAID.
Appropriation ($) · Became law Jul 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Moriwaki sits in the Hawaii State Senate

Moriwaki is closer to the center than 71% of the chamber's Democrats.

Dem. medianRep. medianMoriwakiMore liberalMore conservative

Closest: Mike Gabbard, Rachele Lamosao, Donna Kim

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:49 PM ET

With Moriwaki’s party

  • Votes with the chamber's Democrats99%
  • Cosponsorships of the other party's bills49%

Black tick: the average of Democrats in the Hawaii State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Moriwaki’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

DateBillMoriwakiDem. majorityRep. majorityResult
May 8, 2026SB 3263: RELATING TO THE UNIVERSITY OF HAWAII.NoNoNoFailed 11–12
May 6, 2026SB 3029: RELATING TO COMMUNITY DEVELOPMENT.YesYesNoPassed 23–2
May 6, 2026HB 1618: RELATING TO CESSPOOL CONVERSIONS.YesYesNoPassed 23–2
May 6, 2026SB 3255: RELATING TO CURRENCY.YesYesYesPassed 23–2
May 6, 2026HB 1839: RELATING TO IMMIGRATION.YesYesNoPassed 23–2

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Moriwaki was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMargin
2024Hawaii State Senate, District 12WonD+40.8
2022Hawaii State Senate, District 12WonD+44.0
2018Hawaii State Senate, District 12WonD+40.8

Source: 99chambers results archive

Seats Moriwaki has held

Source: 99chambers results archive

Who Moriwaki has run against

  • Shotaro Dabbs (R) · 2024 general, won
  • Blake Boyd (R) · 2022 general, won
  • Lynn Barry Mariano (R) · 2018 general, won

Source: 99chambers results archive

How we know Moriwaki

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET