Zohran Mamdani is a socialist.

The claim that Zohran Mamdani is a socialist can be broken down into two main components: whether he identifies as a socialist and whether he is affiliated with any socialist organizations. Multiple credible sources confirm that Mamdani identifies as a democratic socialist, which is a political ideology advocating for socialism through democratic means. He is explicitly described as a member of the Democratic Socialists of America (DSA), a prominent socialist organization in the United States.

His political platform and public statements align with democratic socialist principles, including support for universal pre-kindergarten childcare and other social welfare policies. This affiliation and ideological stance are consistently reported across diverse reputable sources, including Wikipedia, major news outlets like the Financial Times, The Guardian, TIME, and direct campaign materials. There is no credible evidence contradicting this characterization.

The nuance lies in the specific type of socialism he advocates, democratic socialism rather than other forms of socialism, but this does not undermine the accuracy of the claim that he is a socialist. Given the consistency and reliability of sources, the claim is accurate in all material respects.