The near-certain trader consensus that Zohran Mamdani’s U.S. citizenship will remain intact through 2026 rests on the high legal threshold for denaturalization. Mamdani, who naturalized in 2018 after arriving from Uganda as a child, faces calls from some Republican lawmakers for investigation over alleged nondisclosure of political associations, yet immigration attorneys and fact-checkers report no credible evidence of willful material misrepresentation on his application. Revocation requires a federal court ruling based on clear proof that any omission would have altered the original outcome, a process used sparingly and almost never for political speech. While executive pressure or new allegations could initiate proceedings, historical precedent shows such cases rarely succeed absent concrete fraud, leaving the outcome highly stable absent unforeseen court developments.