01Short answer
Mamdani's father, Mahmood Mamdani, is publicly associated with Uganda, Indian heritage and academic work on African politics. His mother, Mira Nair, is publicly associated with India and international film.
Mamdani himself was born in Uganda, moved to New York as a child and became a naturalised American citizen in 2018.
Nationality labels can hide the wider story: an Indo Ugandan family, Indian cultural roots, African politics, New York public life and American citizenship.
02Why it gets searched
The search often comes from curiosity about whether Mamdani is Indian, Ugandan, South Asian, Muslim or American. The answer is not either or.
The public relevance is how that background shapes representation and political language in a city built by migration.
03What matters now
Mamdani's legal authority comes from election as Mayor of New York City. Family background explains biography. Governing power comes from office, budget, agencies and law.