New Mexico has closed primaries. Voters registered with a particular party may only vote in that party's primary.  The major political parties in New Mexico are: Democratic Party, Republican Party, and the Libertarian Party. Voters who are affiliated with all other political parties or voters who have no political party affiliation may not vote in primary elections in New Mexico. However, all voters regardless of political affiliation are invited to participate in all other elections.To change political party affliliation, submit a new voter registration form by 5/7/24 (28 days before primary).