Using official estimates only, the foreign-born population of the US grew an average of 1M annually since 1990 (not counting childbirth). Over the last 18 months, also using official data only, it declined 3M — a delta of 4.5M.

Stephen Miller highlights official data showing a significant decline in the foreign-born population over the last 18 months. This contrasts with a consistent annual growth rate observed since 1990, creating a substantial delta.