With No Immigration, US Population Will Fall Over 30% by 2100 | RealClearPolitics
Without immigration, the U.S. population has already passed it’s peak population:

Opinion: Factfulness, Skepticism & Realism, Sometimes satire and parody.
With No Immigration, US Population Will Fall Over 30% by 2100 | RealClearPolitics
Without immigration, the U.S. population has already passed it’s peak population: