Four times as many people voted early this year as in the last mayoral election.

The final days of New York City’s mayoral campaign stretched to far-flung corners of the city’s five boroughs, with the leading candidates hunting for new voters beyond their bases as early voting ended on Sunday.

Four times as many people voted early in this year’s mayoral race than in 2021. Among them are the more than 107,000 voters who registered for the first time this year.

Most polls show the Democratic nominee, Assemblyman Zohran Mamdani, with at least a 10-point lead over former Gov. Andrew M. Cuomo, who is running as a third-party candidate, with the Republican, Curtis Sliwa, in third.

If Mr. Mamdani were to prevail, his success would underscore his ability to build a coalition of voters beyond the city’s traditional voting blocs — challenging assumptions about what a winning coalition might look like in New York.

Here are five groups whose vote will be closely watched and pursued as Election Day approaches Tuesday:

Faith voters

New York City is home to the nation’s largest Jewish population, and the war between Israel and Hamas has become a decisive issue for many in the city’s Jewish communities, with the candidates’ responses to the war serving as a litmus test.

Mr. Cuomo, a strong ally of Israel, has repeatedly criticized Mr. Mamdani for his views of the conflict, suggesting his criticisms of Israel and its conduct in the war are antisemitic. Mr.