There were 12.8 million green-card holders and 3.6 million people in the US on temporary visas in 2024, according to the Department of Homeland Security.

The 55 million figure suggests that some people subject to review would currently be outside the United States with multiple-entry tourist visas.

State Department revokes visas for overstays, criminal activity, terrorism ties; Trump admin reviewing 55M visa holders for violations.