Voters in the Democratic mayoral primaries are able to rank their top five candidates, but are not required to fill all five slots. If a candidate gets over 50% first-choice votes, they win. But if not, the candidate with the fewest votes is eliminated as votes are counted in subsequent rounds.

Registered voters in New York City can cast early ballots in the Democratic primary for mayor and other races through Sunday, June 22. Primary day is June 24.

The race to pick the Democratic nominee for mayor ends Tuesday with primary Election Day — and so far early voting has surged to nearly twice the turnout of four years ago. In the final weeks, the contest has narrowed into a fight between two men: Andrew M.