Will stopping immigration cause labor shortages?
I will examine economic data, labor market studies, and historical examples to assess this.Gathering more precise data on workforce composition and economic studies.Yes, abruptly stopping or sharply curtailing immigration would cause or worsen labor shortages in key sectors, slow overall economic and job growth, and not simply free up equivalent jobs for native-born workers on a 1:1 basis. This follows from labor economics (supply/demand, complementarity), demographics, sectoral data, historical precedents, and recent evidence from enforcement crackdowns. Effects would be uneven—acute in immigrant-heavy industries, milder or offset elsewhere via wages, automation, or reduced activity—and depend on the scale, speed, and type of immigration halted (legal high-skilled vs. low-skilled/unauthorized).[1]
Immigrant Role in the Workforce
Foreign-born workers make up roughly 18–19% of the U.S. employed workforce (around 30–31 million people as of recent data), higher than their share of the working-age population because they have elevated labor force participation and are concentrated in prime working ages.[2]
They are disproportionately represented in:
Immigrants have accounted for a large share (recently nearly all) of U.S. labor force growth because the native-born working-age population is stagnating or declining due to low fertility and aging (Baby Boomer retirements). Without immigration, the working-age population would have started shrinking years ago; Fed and CBO analyses show net immigration is critical to sustaining positive labor force growth and potential GDP.[6]
Why Shortages Would Occur (Not Just "Natives Take the Jobs")
The "lump of labor" fallacy assumes a fixed number of jobs. In reality:
Recent U.S. policy shifts (deportations, reduced legal inflows) have already produced reports of shortages in restaurants/hotels (hundreds of thousands of vacancies), farms, construction, and care; slower payroll growth; and downward revisions to GDP (e.g., Fed/Dallas estimates of substantial cumulative losses). Labor Department filings have noted risks of agricultural supply shocks because unemployed Americans "will not make themselves available in sufficient numbers."[11]
Similar dynamics appear in Europe and other aging advanced economies facing workforce decline.[12]
Historical Evidence
These show restrictions often shrink activity rather than cleanly transferring jobs.
Nuances, Adjustments, and Counterpoints
In short, stopping immigration would not magically eliminate unemployment or create a native-worker boom without costs. It would tighten labor markets (especially low- and mid-skill physical/service roles), raise costs/prices in affected goods/services, slow GDP and job creation overall, and force incomplete adjustments. Gradual, selective policies paired with training, automation incentives, and native workforce measures can mitigate downsides better than sudden halts. Data from demographics, sectors, history, and recent experience make significant shortages in vulnerable industries highly likely.
Citations (16)
- https://econofact.org/immigration-and-waning-us-labor-force-growth
Backs: “Effects would be uneven—acute in immigrant-heavy industries, milder or offset elsewhere via wages, automation, or reduced activity—and depend on the scale, speed, and type of immigration halted (legal high-skilled vs.”
- https://usafacts.org/answers/what-percent-of-the-workforce-in-the-us-are-immigrants/country/united-states/
Backs: “employed workforce (around 30–31 million people as of recent data), higher than their share of the working-age population because they have elevated labor force participation and are concentrated in prime working ages.”
- https://www.kff.org/immigrant-health/the-role-of-immigrants-in-the-u-s-health-care-workforce/
Backs: “They are disproportionately represented in: Agriculture/farming: ~33% of agricultural workers overall; ~40% in farming/fishing/forestry occupations (higher for crop work; many unauthorized).”
- https://www.nahb.org/blog/2026/04/Which-States-and-Construction-Trades-Depend-the-Most-on-Immigrant-Workers
Backs: “Construction: ~26–30% of the workforce (higher in trades like drywall/ceiling, plastering, roofing, painting—often 50%+); even higher shares in states like California, Florida, Texas.”
- https://www.epi.org/chart/immigration-faq-2025-table-2-immigrants-comprise-a-significant-share-of-workers-in-both-high-and-low-paying-major-occupations-top-10-occupations-for-immigrants-by-share-of-employment-in-the-o/
Backs: “Construction: ~26–30% of the workforce (higher in trades like drywall/ceiling, plastering, roofing, painting—often 50%+); even higher shares in states like California, Florida, Texas.[[4]](https://www.nahb.org/blog/2026/04/Which-States-and-Constructio”
- https://www.frbsf.org/research-and-insights/publications/economic-letter/2025/11/immigration-and-changes-in-labor-force-demographics/
Backs: “Without immigration, the working-age population would have started shrinking years ago; Fed and CBO analyses show net immigration is critical to sustaining positive labor force growth and potential GDP.”
- https://www.cato.org/cato-journal/fall-2017/how-immigration-affects-workers-two-wrong-models-right-one
Backs: “Immigrants are both suppliers and demanders: They fill roles and spend money, start businesses (immigrants have higher entrepreneurship rates), and enable firm expansion, creating additional demand for native workers (e.g., managers, complementary skilled roles).”
- https://doi.org/10.3386/w32389
Backs: “Studies find immigration often raises native employment/wages via complementarity (especially less-educated natives) or has near-zero effects overall; competition is stronger among prior immigrants.”
- https://www.thirdway.org/memo/front-door-welded-shut-how-trump-is-dismantling-legal-immigration
Backs: “Recent ICE enforcement analyses show job losses exceeding direct removals (e.g., ripple effects through supply chains; estimates of multiple native jobs lost per immigrant removed in some cases).”
- https://www.reuters.com/markets/us/us-migrant-halt-may-wipe-potential-job-growth-2025-06-24/
Backs: “Demographics amplify this: Tight labor markets already exist in many places; unemployment is low. Potential monthly job growth ("breakeven") drops sharply with lower immigration (projections toward near-zero or low tens of thousands vs.”
- https://www.forbes.com/sites/andrewtisch/2026/05/28/the-real-immigration-tragedy/
Backs: “policy shifts (deportations, reduced legal inflows) have already produced reports of shortages in restaurants/hotels (hundreds of thousands of vacancies), farms, construction, and care; slower payroll growth; and downward revisions to GDP (e.g., Fed/Dallas estimates of substantial cumulative losses). Labor Department…”
- https://www.mckinsey.com/mgi/our-research/help-wanted-charting-the-challenge-of-tight-labor-markets-in-advanced-economies
Backs: “Labor Department filings have noted risks of agricultural supply shocks because unemployed Americans "will not make themselves available in sufficient numbers.". Similar dynamics appear in Europe and other aging advanced economies facing workforce decline.”
- https://www.library.hbs.edu/working-knowledge/history-check-how-barring-immigrants-backfired-in-1880s-america
Backs: “Manufacturing output dropped ~62%, establishments fell sharply, and white/native labor supply and earnings growth also slowed in affected Western areas (not a simple reallocation to natives).”
- https://www.sciencedirect.com/science/article/abs/pii/S0047272721001948
Backs: “1930s Mexican repatriations: Reduced Mexican population hurt native employment and occupational standing (especially low-skilled/urban); natives did not fully replace them.”
- https://www.nber.org/system/files/working_papers/w23125/w23125.pdf
Backs: “End of Bracero program (1960s): Little evidence of large native wage/employment gains in agriculture; employers adjusted via technology, crop changes, and reduced production rather than full native replacement.”
- https://www.cnbc.com/2024/09/28/are-immigrants-taking-jobs-from-us-workers-heres-what-economists-say.html
Backs: “Economist consensus: Broad agreement (CBO, Fed banks, National Academies-style reviews, papers by Peri, Card, etc.) that immigration expands the economy and labor force with small or positive average effects on native wages/employment. Abrupt large reductions reduce growth and create frictions.”