HAWAII
Primaries:
- Democratic congressional and state primaries: open
- Republican congressional and state primaries: open
- Democratic Presidential primary: closed
- Republican Presidential primary: closed
Registration:
- Hawaii has nonpartisan registration. There is no option to affiliate with a political party on the voter registration form.
Details of voting in congressional and state primary elections:
- Voters are not required to affiliate with a party to vote in party primaries, but they must choose one party's ballot.