Mayor-elect Zohran Mamdani chose Lillian Bonsignore, the former chief of New York’s E.M.S., as the first openly gay person to lead the Fire Department.

© Dave Sanders for The New York Times

Mr. Adams will be remembered for the drumbeat of scandals that derailed his mayoralty in New York City, a growing affordability crisis and progress on public safety and housing.

© Adam Gray for The New York Times

Housing experts and politicians agree that New York City needs to add hundreds of thousands of new homes. The Real Estate Board of New York is keeping tally.

© Karsten Moran for The New York Times

The mayor has kept his vow to lower crime in New York City, but the city’s economic recovery has stalled and homelessness has risen.

© Vincent Alban/The New York Times