Based on government data, my organization, the Center for Immigration Studies, has conservatively estimated there are about 15.4 million illegal aliens in the United States, a 50% increase over the four tumultuous years of the Biden administration.
While ICE arrests and deportations have grabbed headlines, President Trump is also running a separate but complementary “mass deportation” program — one that encourages aliens here unlawfully to go home voluntarily.
https://revolver.news/2025/06/nearly-1-million-illegal-immigrants-have-self-deported-under-trump-which-has-led-to-higher-wages/