In January 2025, 53.3 million immigrants lived in the United States — the largest number ever recorded. By June, more than a million had left. By the end of the year, according to the Brookings Institution, the United States had experienced net negative migration for the first time in at least half a century. [1]

More people left than arrived. The country that defined itself by arrival is now losing people faster than it gains them.

The Brookings estimate puts net migration in 2025 between negative 295,000 and negative 10,000 — a range that reflects genuine uncertainty in the underlying data, but whose midpoint and floor are both below zero. For 2026, Brookings projects net migration will remain in negative territory if current enforcement levels and visa issuance patterns continue. [2]

The enforcement-success frame — the one that dominates coverage — is accurate as far as it goes. The Trump administration's suspension of most refugee programs, enforcement actions producing 310,000 to 315,000 removals, and the chilling effect on new arrivals all contributed to the reversal. As a description of policy working as intended, the frame is correct.

As a description of what this means for a country built around the assumption of demographic growth, it is incomplete.

What Negative Migration Does to a Growth Economy

The United States' economic institutions — its Social Security actuarial tables, its school enrollment projections, its city revenue forecasts, its housing market demand models — were built on the assumption that the country would continue to gain more people than it lost. That assumption has held without interruption since the early 1970s. It no longer holds.

The Brookings analysis estimated that reduced immigration would dampen labor force growth, consumer spending, and GDP, with the sustainable pace of monthly job creation falling to between 20,000 and 50,000 in late 2025 — and potentially going negative in 2026 under some scenarios. [3] Consumer spending, they projected, could decline by $60 billion to $110 billion across 2025 and 2026 in sectors that serve immigrant populations.

The Census Bureau's population estimates, released earlier this year, showed net international migration down dramatically from prior years — from 2.7 million in the year ending June 2024 to 1.3 million in the year ending June 2025. [4] The trend line points below zero.

The Cities That Feel It First

America's major metro areas absorbed immigration's economic benefits most directly. Brookings research found that between 2014 and 2024, metro areas with larger increases in the foreign-born share of their working-age population saw stronger growth in gross metropolitan product, employment, and other economic metrics. [5]

The cities with the largest immigrant populations — New York, Los Angeles, Chicago, Houston, Miami — are also the cities where property tax revenues, school enrollment-based state aid, and small-business density are most exposed to demographic contraction. A school district built for 10,000 students, running at 8,000, does not save 20% of its costs. Fixed infrastructure costs remain. The building still needs heat.

This is not hypothetical. It is the arithmetic of systems designed for growth encountering the first sustained period of contraction most of their administrators have ever seen.

The Enforcement Frame and Its Limits

The White House released a statement in March celebrating "net negative migration across every metro area" under the banner "America First in Action." [6] That frame — enforcement producing a desired numerical outcome — is coherent on its own terms.

What it does not address is the difference between a country that chooses demographic contraction as policy and a country prepared for its institutional consequences. School districts, pension systems, regional hospitals serving large immigrant populations, and the agricultural and construction sectors that depend on immigrant labor have all begun adjusting — but adjustment is not costless, and it is not symmetrical. A school can close a wing. A hospital serving a community that has left cannot easily find patients to replace them.

The foreign-born population declined from 53.3 million in January 2025 to 51.9 million by June — a 1.4 million drop in six months. [7] That is a faster change than at any point in living memory for anyone currently working in American demographic policy.

The country has been here before, in the abstract: the post-1920s immigration restriction era eventually produced labor shortages, shifts in regional economies, and political realignments that took decades to resolve. The mechanisms are different now, the scale is different, and the speed is different. But the fundamental dynamic — a country that has structured its institutions around arrival now structuring them around departure — is not without precedent.

The question is not whether the reversal happened. Brookings has confirmed it. The question is how long the institutions built for a different country take to notice.

-- MAYA CALLOWAY, New York