The value of a U.S. citizenship is known throughout the world. Immigrating to the U.S. is something that is valued by millions of individuals around the world. The following table from State Department data explains the principle reasons people chose to immigrate to the U.S.  – to come to the U.S.:

The year before last, 2023, nearly 900,000 individuals became naturalized citizens. Many of these individuals who immigrate become naturalized citizens or lawful permanent residents (LPRs) ultimately leave the U.S.

See, the National Taxpayer Advocate blog report – 

Filing and Paying Taxes for U.S. Citizens or Residents Living Abroad

Filing and Paying Taxes for U.S. Citizens or Residents Living Abroad