Commentary

They Stopped Coming. Then They Started Leaving.

Posted on by Bill McCarthy

For half a century the foreign-born line on the chart only went one direction. Up. Then it broke.

The government’s monthly household survey put the foreign-born population at a record 53.3 million in January 2025. That was 15.8 percent of the country, higher than the old peaks in 1890 and 1910. By June it was already down more than a million, to 51.9 million. By July 2026 the same survey showed about 50.5 million. That is a drop of 2.9 million in eighteen months.

Net migration — arrivals minus departures — has gone negative for the first time since the 1930s. Not slower growth. An actual shrinking of the stock.

The Biden Baseline

You cannot understand the drop unless you look at the four years that built the mountain.

From January 2021 through the end of 2024 the foreign-born population jumped an estimated 8.3 million. Largest four-year increase on record. The annual social survey for 2024 already had 50.2 million foreign-born, 14.8 percent of 340.1 million people, matching the 1890 share in raw percentage and blowing past it in raw bodies.

The border was the fire hose. Record encounters. Parole programs that flew people in and called it humanitarian. Catch-and-release that turned a crossing into a court date years away. Asylum claims treated as a boarding pass. By 2023 the illegal population estimates were in the mid-teens of millions. The household survey in January 2025, after the weights caught up with the surge, showed the peak.

Even the last administration tapped the brakes in June 2024, tightening asylum at the border after the politics caught fire. Encounters started falling before Inauguration Day. That is real. It is also not the story of the next eighteen months. The faucet being half-closed is not the same thing as the tub draining.

Why It Dropped

Three things happened at once.

First, the border actually closed. Encounters collapsed from the Biden-era flood to levels last seen when your parents were young. When the crossing stops being a sure thing, the next wave does not form.

Second, people already here started leaving. Not all of them in cuffs. The net decline is deportations plus voluntary departures plus fewer new arrivals plus ordinary deaths, minus the trickle that still gets in. An analysis of the household survey puts the illegal population down about 2.3 million, from roughly 15.8 million in January 2025 to 13.5 million in July 2026. That is a 14.6 percent cut in a year and a half. Latin American non-citizens who arrived after 1980 account for essentially the entire decline in the foreign-born total. That is the population that overlaps hardest with illegal status.

Third, the legal side tightened too. Refugee ceilings. Visa scrutiny. Temporary protections yanked. Fewer people getting on planes with a folder full of parole. Legal immigration did not vanish. It stopped being a second fire hose.

The census shop’s own net-international-migration estimates tell the same story in official language. The figure peaked at 2.7 million in 2024. It fell to 1.3 million for the year ending mid-2025. If the trend holds, it is about 321,000 for the year ending mid-2026. That is a 90 percent collapse from the peak. Other estimates put calendar 2025 already in negative territory.

What the Numbers Are Not

A monthly household survey is not a headcount at the airport. Response rates fell. Immigrants may be less willing to open the door. The survey gets reweighted every January, which can make year-to-year jumps look cleaner than they are. Some economists think the true drop is smaller than 2.9 million and still historic. Fine. Argue the decimal. The direction is not a rounding error.

The labor-force numbers moved with the population. Foreign-born workers are down from the March 2025 peak. The total labor force is smaller than it was in January 2025. Anyone who told you this would be a free lunch for native wages without any other effects was selling a pamphlet. Anyone who told you the country would collapse without 2.7 million net newcomers a year was selling the last four years.

The Comparison That Matters

Biden years: plus 8.3 million foreign-born in four years.

First eighteen months of the second Trump term: minus 2.9 million.

That is not a vibe. That is the chart. The surge was policy. The reversal is policy. Close the border, enforce the interior, end the fiction that every arrival is a refugee, and the stock stops growing and then shrinks. The last time the United States ran negative net migration for a sustained stretch, men were riding the rails.

The 2.9 million does not erase the 8.3 million. It carves a piece out of it. The foreign-born share is still near a century-and-a-half high. The illegal estimate is still in the low thirteen millions. This is a turn, not a time machine.

It is also the first time in living memory the government tried to make the line go down and the line went down. That is the part the last administration said could not be done without shutting the economy. The economy is still here. The number is not.

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