Will stopping immigration cause labor shortages?
I will examine economic data, labor market studies, and historical evidence on immigration's role in workforce supply.Gathering more precise details from key sources on sector dependence and recent analyses.Yes, stopping or sharply curtailing immigration would likely cause or worsen labor shortages in key sectors and slow overall labor force and economic growth, though markets would adjust over time through higher wages, reduced output, automation, or other means—with mixed effects on native workers. This is supported by demographic trends, sector-specific data, economic studies, natural experiments, and recent policy impacts. Effects are not uniform across the entire economy.[1]
Immigrant Role in the Labor Force
Immigrants (foreign-born) make up roughly 18–19% of the U.S. civilian labor force and employed workers (around 19.2% of the labor force and 18.4% of employed workers in recent 2024 data). They participate at higher rates than natives, partly because they are more likely to be of prime working age.[2]
Concentration is much higher in certain industries and occupations:
U.S.-born working-age population growth is weak or negative due to low fertility and aging. Immigration has accounted for nearly all recent labor force growth and is projected to drive essentially all population growth in coming decades. Without it, labor force growth slows dramatically.[4]
Evidence That Reduced Immigration Tightens Labor Markets
Economic models and reviews (including National Academies and meta-analyses) generally find immigration has small or positive average effects on native wages and employment due to complementarity (immigrants and natives often do different tasks), skill mixes, occupational upgrading by natives, and demand-side effects. Low-skilled natives can face short-term pressure in specific locales/occupations, but overall and longer-term effects are often neutral-to-positive. Reduced low-skilled immigration can raise those wages but also raise consumer prices, lower the skill premium (discouraging native education/training), reduce productivity/welfare over time, and constrain firm growth.[8]
Adjustments, Caveats, and Broader Effects
Markets clear: Shortages (unfilled vacancies, production constraints) raise wages, which can draw in more native workers, encourage automation/capital substitution, reduce firm scale/output, shift production abroad, or raise prices (e.g., food, housing, care services). Immigrants also boost demand, so cutting supply cuts demand too—net scarcity effects are not always straightforward and can redistribute shortages.[9]
In short, abrupt or complete stops have repeatedly produced firm-level disruptions, unfilled roles, and slower growth rather than seamless replacement by natives. Gradual reductions allow more adjustment but still constrain labor supply amid demographic headwinds. Policy design (legal pathways targeted to shortages, enforcement paired with visas, skills focus) matters more than binary “stop/start.” Data from BLS, Census, CBO, Fed banks, and academic studies (Peri and others) consistently support these patterns.
Citations (10)
- https://www.brookings.edu/articles/macroeconomic-implications-of-immigration-flows-in-2025-and-2026-january-2026-update/
Backs: “effects on native workers. This is supported by demographic trends, sector-specific data, economic studies, natural experiments, and recent policy impacts.”
- https://usafacts.org/answers/what-percent-of-the-workforce-in-the-us-are-immigrants/country/united-states/
Backs: “civilian labor force and employed workers (around 19.2% of the labor force and 18.4% of employed workers in recent 2024 data). They participate at higher rates than natives, partly because they are more likely to be of prime working age.”
- https://usafacts.org/articles/which-industries-employ-the-most-immigrant-workers/
Backs: “Hospitality/leisure, food preparation/serving, transportation/utilities, manufacturing, health care support, personal care: 20–25%+ shares common. High-skilled areas like certain STEM, healthcare (e.g., physicians), and professional services also rely heavily on immigrants.”
- https://www.epi.org/publication/the-u-s-born-labor-force-will-shrink-over-the-next-decade-achieving-historically-normal-gdp-growth-rates-will-be-impossible-unless-immigration-flows-are-sustained/
Backs: “U.S.-born working-age population growth is weak or negative due to low fertility and aging. Immigration has accounted for nearly all recent labor force growth and is projected to drive essentially all population growth in coming decades. Without it, labor force growth slows dramatically.”
- https://www.nber.org/digest/202606/what-happens-when-flow-immigrant-workers-suddenly-stops
Backs: “Surviving firms reassigned natives to lower-skilled tasks, leading to native wage declines (complementarity, not simple substitution).”
- https://www.library.hbs.edu/working-knowledge/history-check-how-barring-immigrants-backfired-in-1880s-america
Backs: “1920s national origins quotas constrained manufacturing scale and technology adoption (e.g., electrification) while raising some wages and spurring internal migration (e.g., Great Migration of Black workers); overall production growth was hampered.”
- https://www.brookings.edu/articles/the-labor-market-impact-of-deportations/
Backs: “Deportation/enforcement studies: Large-scale removals have been linked to lower employment for U.S.-born workers in complementary roles (e.g., supervisors, managers), reduced local demand, and higher prices in affected sectors.”
- https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4810604
Backs: “Reduced low-skilled immigration can raise those wages but also raise consumer prices, lower the skill premium (discouraging native education/training), reduce productivity/welfare over time, and constrain firm growth.”
- https://www.thesilo.ca/tag/economics/
Backs: “Markets clear: Shortages (unfilled vacancies, production constraints) raise wages, which can draw in more native workers, encourage automation/capital substitution, reduce firm scale/output, shift production abroad, or raise prices (e.g., food, housing, care services).”
- https://www.deloitte.com/us/en/insights/topics/economy/spotlight/us-immigration-impact-us-economy.html
Backs: “Trade-offs: Stopping immigration could modestly benefit some low-skilled native wages or fiscal balances in narrow cases, but evidence points to broader costs in output, prices (inflationary in supply-constrained sectors), business formation, and long-term productivity that outweigh these for most analyses.”