Will stopping immigration cause labor shortages?
I will research economic data, labor market analyses, and studies on immigration's role in workforce supply to provide an evidence-based answer.Gathering more specific data from key studies and reports on sectoral reliance and recent impacts.Yes, stopping or sharply curtailing immigration is likely to cause or worsen labor shortages in many sectors and slow overall labor force growth, particularly in economies like the United States with aging native populations and low fertility rates. This is supported by workforce composition data, demographic trends, economic studies, and real-world evidence from sudden stops or recent policy shifts. Effects are not uniform—they vary by skill level, sector, time horizon, and how markets and policy respond (e.g., via higher wages, automation, training, or internal migration)—but the net impact on labor supply in key areas is negative.[1]
Immigrant Role in the Workforce
Immigrants (foreign-born workers, including naturalized citizens and noncitizens) comprise a substantial share of the labor force. In the US, they accounted for about 19% of the civilian labor force or employed workers around 2024 (roughly 30–31 million people out of ~160–161 million).[2]
They are disproportionately concentrated in certain industries and occupations:
Similar patterns appear in other developed countries facing aging populations (e.g., Europe, Canada, South Korea), where immigrants fill gaps in care, construction, manufacturing, and agriculture.[6]
Demographic Pressures Amplify the Effect
The US-born working-age population (roughly 18–65) has slowed dramatically and has been declining in recent years, especially among non-college-educated workers, due to retiring baby boomers, smaller younger cohorts, and fertility rates below replacement (~2.1). Without immigration, the working-age population would have begun shrinking earlier (analyses suggest as early as ~2012). Immigration has been the primary driver of labor force growth for decades.[1]
A sharp drop in net migration (as seen or projected in recent US data, potentially to near-zero or negative) reduces potential monthly payroll growth substantially (e.g., estimates from banks and Fed-related analyses of drops toward 10,000–70,000 jobs/month sustainable without shortages, vs. historical averages well over 100,000). This lowers potential GDP growth. Aging intensifies the pressure.[7]
Evidence from Sudden Stops and Recent Restrictions
Natives often show limited willingness or mobility to fill physically demanding, lower-wage, seasonal, or location-specific roles (e.g., farmwork, roofing, certain care jobs), even with higher wages. Occupational upgrading by natives in response to immigration is common.
Nuances and Mitigating Factors
In summary, given current demographics and sectoral reliance, a full stop to immigration would constrain labor supply, exacerbate shortages in high-immigrant industries, slow employment and GDP growth, and raise costs—effects already visible in partial slowdowns. Targeted legal immigration, training, and productivity measures can help manage this, but ignoring the labor contribution risks economic drag. Outcomes depend heavily on the specific policies, economic context, and complementary reforms.
Citations (12)
- https://econofact.org/immigration-and-waning-us-labor-force-growth
Backs: “shifts. Effects are not uniform—they vary by skill level, sector, time horizon, and how markets and policy respond (e.g., via higher wages, automation, training, or internal migration)—but the net impact on labor supply in key areas is negative.”
- https://web.archive.org/web/20260105072751id_/https:/www.bls.gov/news.release/forbrn.nr0.htm
Backs: “Immigrants (foreign-born workers, including naturalized citizens and noncitizens) comprise a substantial share of the labor force. In the US, they accounted for about 19% of the civilian labor force or employed workers around 2024 (roughly 30–31 million people out of ~160–161 million).”
- https://www.kff.org/immigrant-health/the-role-of-immigrants-in-the-u-s-health-care-workforce/
Backs: “In the US, they accounted for about 19% of the civilian labor force or employed workers around 2024 (roughly 30–31 million people out of ~160–161 million). They are disproportionately concentrated in certain industries and occupations:”
- https://usafacts.org/articles/which-industries-employ-the-most-immigrant-workers/
Backs: “Construction: 26–30% of industry workers overall (higher in trades/extraction occupations at ~34–35%; over 50% in drywall, roofing, painting, plastering, and flooring in recent data).”
- 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: “Significant roles in hospitals for both clinical and non-clinical staff (e.g., cleaning/maintenance). Other areas: Elevated shares in food services/hospitality, building/grounds cleaning and maintenance (~40% in some occupational groups), production, transportation, and certain skilled trades or STEM fields.”
- https://mmr2025.mixedmigration.org/mmr/2025/labour-shortages-and-anti-immigration-stances/
Backs: “fields. Similar patterns appear in other developed countries facing aging populations (e.g., Europe, Canada, South Korea), where immigrants fill gaps in care, construction, manufacturing, and agriculture.”
- https://www.reuters.com/markets/us/us-migrant-halt-may-wipe-potential-job-growth-2025-06-24/
Backs: “A sharp drop in net migration (as seen or projected in recent US data, potentially to near-zero or negative) reduces potential monthly payroll growth substantially (e.g., estimates from banks and Fed-related analyses of drops toward 10,000–70,000 jobs/month sustainable without shortages, vs.”
- https://www.nber.org/digest/202606/what-happens-when-flow-immigrant-workers-suddenly-stops
Backs: “South Korea guest worker program (COVID-era): A sudden ~22% drop in low-skilled Employment Permit System (EPS) workers (concentrated in manufacturing) led to higher firm closure rates (especially low-productivity ones), production/revenue setbacks, and no significant new hiring of native Koreans. Surviving firms…”
- https://news.bloomberglaw.com/immigration/immigration-crackdown-fails-to-deliver-jobs-for-us-born-workers
Backs: “Employment growth has slowed, with analyses linking reduced immigrant inflows to lower overall job creation (immigrants also create demand via spending and entrepreneurship).”
- https://www.forbes.com/sites/stuartanderson/2026/02/22/new-research-finds-reducing-immigration-does-not-help-us-workers/
Backs: “Broader studies: Immigration inflows help fill vacancies, support firm expansion/formation, and ease tightness without broadly harming native wages/employment (often positive or neutral effects via complementarity and capital investment). Restrictions reduce employment growth, particularly in immigrant-heavy sectors…”
- https://fortune.com/article/does-america-have-aging-population-immigration-deportations-six-day-work-week/
Backs: “Other countries/history: Aging societies (Japan, Europe, Korea) face similar issues and often expand (selectively) immigration or guest work. US 1920s quotas reduced inflows amid different demographics and were followed by internal migrations (e.g., Great Migration) and later programs like Bracero for ag labor.”
- https://doi.org/10.3386/w32389
Backs: “Counterpoints: Critics argue immigration can strain housing/infrastructure or depress wages in specific cases; some native workers benefit from reduced competition. However, mainstream economic consensus (NBER, Fed analyses, etc.) emphasizes net labor supply benefits, complementarity, and growth contributions, with…”