A nonpartisan primary is an election where candidates from all political parties can participate. In other words, a primary election that is not affiliated with any particular political party. Synonyms for nonpartisan primary include open primary, top-two primary, and jungle primary. An open primary is a type of primary election where any registered voter can vote, regardless of their political affiliation. A top-two primary is an election system where the two candidates with the highest votes move on to the general election, regardless of party affiliation. A jungle primary is a primary election where all candidates, regardless of party affiliation, participate in the same primary and the top two candidates move on to the general election.