Zohran Mamdani was sworn in as New York City's mayor on January 1, becoming the city's first Muslim mayor. A democratic socialist, Mamdani pledged to govern "expansively and audaciously," using government power to address the cost-of-living crisis and improve New Yorkers' lives. He emphasized his commitment to his principles, stating that ensuring affordable housing is not radical but the right thing to do. Mamdani announced initiatives including reviving a tenant protection office and creating housing task forces.