Claim that 'well over a million' Chinese nationals obtained U.S. citizenship via birth tourism is misleading

What was claimed: A Federalist article (July 3, 2026) states that "by some estimates, well over a million Chinese nationals have acquired American citizenship through" birth tourism — the practice of foreign nationals traveling to U.S. territory to give birth so their child acquires U.S. citizenship at birth. Where the figure appears to come from: The large cumulative numbers advanced in some public discussions trace to testimony and overseas reports that cite Chinese government or private‑sector estimates (examples include testimonies to Congress referencing figures like 50,000–100,000 or even 185,000 births in particular years). In a March 2026 Senate hearing, author Peter Schweizer summarized such foreign estimates and used them to extrapolate a cumulative total in the hundreds of thousands to over a million. The Federalist statement echoes that line of argument without noting the provenance or the substantial uncertainties involved. What primary, official, and independent evidence shows: The U.S. government does not maintain a direct, official count labelled "birth tourism," and officials acknowledge there is no centralized tracking of parents' nationality for this purpose. However, the CDC's National Vital Statistics data provide the closest proximate measures. Recent CDC counts show only a few thousand births per year where the mother's reported usual residence is outside the United States and its territories (one CDC‑based summary cited roughly 9,500 such births in 2024). Independent, nonpartisan analyses — including work by the Migration Policy Institute and peer‑review–oriented researchers — place annual births plausibly attributable to birth tourism in the range of a few thousand up to, at most, the mid‑tens of thousands (MPI cited an upper contested figure of about 26,000 per year). A Penn State research brief using NCHS data estimated birth‑tourist births more narrowly (roughly 5,000–10,000 annually under certain definitions). These estimates are all orders of magnitude smaller than an asserted cumulative total of "well over a million." Why the discrepancy matters: The million‑plus number depends on multiplying uncertain annual estimates by long time spans and on relying on overseas (Chinese) estimates that have not been independently validated in U.S. data. Because measurement is imperfect and definitions vary (for example, whether a foreign mother listing a U.S. address was truly a short‑term visitor, or the mother was resident), extrapolations can easily produce very different cumulative totals. Presenting a large cumulative number as an established fact therefore overstates what can be reliably demonstrated with available evidence. Balance of evidence and conclusion: The Federalist article’s statement is not supported by the best available U.S. data or by independent research; it rests on contested foreign estimates and extrapolations. The correct characterization is that some unverified estimates and extrapolations have suggested very large cumulative totals, but authoritative proximate measures and independent analyses indicate birth tourism is a relatively small share of total U.S. births. Calling the "well over a million" claim definitive is misleading. What readers should understand: There is no authoritative U.S. government count of "birth tourism" births; independent researchers and policy groups place such births in the low thousands to tens of thousands per year. Large cumulative claims should be described as speculative unless supported by verifiable data and methodology. Policymaking and public discussion should distinguish between verified statistics, contested estimates, and speculative extrapolations.