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Grok 4.5Oct 30, 2026x-ai/grok-4.5-20260708

Will stopping immigration cause labor shortages?

I need more details on key reports.Yes, stopping immigration (particularly net zero or negative inflows, including via reduced legal entries and enforcement against unauthorized workers) would likely cause or significantly worsen labor shortages in multiple sectors of the U.S. economy (and similarly in other developed countries), while slowing overall labor force and GDP growth. This is the consensus view from economic analyses by the Federal Reserve, Congressional Budget Office (CBO), AEI, Deloitte, and others, based on demographics, workforce composition, and historical/recent evidence. Adjustments would occur over time via higher wages, prices, automation, reduced output, or imports, but frictions would be real and costly in the near-to-medium term.[1][2][3]

Demographic and Labor Force Context

The U.S. native-born population has low fertility (around 1.6, below the 2.1 replacement rate) and is aging rapidly as baby boomers retire. Without immigration, the working-age population would have begun shrinking years ago, and native-born labor force growth is already very slow or negative in recent data.[4][1]

•Immigrants (foreign-born) comprise roughly 18–20% of the U.S. workforce (about 30 million workers out of ~160 million).[5]
•Net immigration has driven a large share—often near half or more—of labor force growth in recent decades. Surges post-2021 boosted employment growth; sharp slowdowns (to near-zero or negative net migration in 2025 estimates) have already reduced sustainable monthly payroll growth from 100,000–180,000+ toward 10,000–60,000 or lower.[2][6][7]
•Projections: A sustained halt or major reduction could shrink potential labor force growth, cut GDP growth by 0.2–0.4+ percentage points annually in the near term (and more cumulatively), and leave millions fewer workers over a decade.[8][3][1]

Similar dynamics apply in Europe, Australia, Canada, and other aging developed economies facing worker shortages amid low fertility.[9][10]

Sectoral Reliance and Shortages

Immigrants are concentrated in specific industries and occupations where natives are less represented or less willing to work at prevailing conditions/wages (often physically demanding, seasonal, low-pay, or location-specific). Key examples:

•Agriculture: Foreign-born workers are ~50–70%+ of hired farmworkers overall (higher for crops); undocumented share ~40% of crop workers (or ~35% of broader hired ag workforce in some estimates). Specialty crops (fruits, vegetables, nuts) are especially dependent. Disruptions raise costs, reduce production, or increase imports/spoilage.[11][12][13]
•Construction: ~26–30% foreign-born (higher in trades like drywall, roofing, painting, laborers—often 40–55%+). Immigrants drove nearly all net growth in construction trades workforce in recent years. Shortages already reported as more acute with reduced inflows.[5][14][15]
•Hospitality/leisure, food processing, cleaning/maintenance, transportation: High shares (20%+ overall; higher in specific roles).[3]
•Healthcare support/home care, some professional services: Significant and growing reliance, critical amid aging population.[16]
•High-skilled areas (STEM, tech, medicine via H-1B/students): Immigrants punch above weight in innovation/patents and fill gaps; cuts hurt productivity more.[1]

Recent immigration slowdowns/crackdowns (2025 data) coincide with slower hiring in immigrant-heavy sectors, businesses reporting harder-to-fill roles, and no clear broad boost to native-born employment. Evidence from the COVID-era immigration drop showed a shortfall of ~1.65 million working-age immigrants that natives did not fully replace.[15][17][3]

Studies find immigration often alleviates shortages (negative correlation with vacancy growth) due to complementarities with native workers—immigrants fill roles that enable expansion and more native hiring upstream/downstream—rather than pure substitution.[18][19]

Do Natives Fill the Gaps?

Not fully or quickly:

•Native labor force participation is lower overall than foreign-born in prime ages; some groups (e.g., certain low-skilled working-age males) have elevated non-participation, but structural issues (skills mismatch, geography, disability, preferences, incarceration history, etc.) limit easy shifts into immigrant-heavy jobs.[20]
•Recent data: Native-born unemployment has not fallen (and sometimes risen) amid immigration reductions, while participation has been soft. Immigrants and natives are imperfect substitutes; natives often upgrade occupations in response to immigration.[15][17][21]
•Wage effects of immigration on natives are typically small or positive overall (negative mainly for prior low-skilled immigrants or specific subgroups without high school diplomas, a small share of natives). Stopping inflows could raise wages in affected sectors but also prices for goods/services (food, housing construction, care), hitting consumers—especially lower-income ones.[22][23]
•Automation/AI/robots can substitute some low-skill tasks long-term (e.g., some farm work, driving, food prep), and higher wages incentivize it or reduced demand, but deployment takes time/capital, doesn't cover all care/construction/ag needs equally, and high-skill roles face different dynamics.[20]

Nuances and Counterpoints

•Not uniform or instantaneous collapse: The economy adapts. Existing immigrant stock remains (unless large-scale removals), legal temporary programs (H-2A/H-2B) can expand somewhat, and unemployment/idle capacity exists. Short-term "curious balance" of cooler demand + tighter supply has kept unemployment stable in some periods.[24]
•Potential native benefits: Modest wage/employment gains possible for the small share of least-educated natives in direct competition; fiscal relief in some high-immigration localities. High-skill cuts hurt more via lost innovation.[1]
•Broader trade-offs: Immigration also boosts demand (immigrants consume and start businesses), so supply reductions curb both. Unauthorized workers have fiscal/net costs debated, but labor contributions are clear. Social/integration issues exist separately from pure labor economics.
•Policy alternatives: Targeted legal pathways for shortage occupations, higher native participation incentives, training, or automation support could mitigate without a full stop. Complete cessation ignores aging demographics.

In summary, evidence strongly indicates that abruptly stopping immigration would tighten labor markets in key sectors, reduce potential growth, and create shortages that natives and technology do not fully or immediately offset—consistent with observed effects of recent slowdowns. Long-term solutions involve addressing root demographics alongside selective immigration and domestic reforms.

Citations (24)

  1. 1deloitte.comCompanies
    https://www.deloitte.com/us/en/insights/topics/economy/spotlight/us-immigration-impact-us-economy.html

    Backs: “Adjustments would occur over time via higher wages, prices, automation, reduced output, or imports, but frictions would be real and”

  2. 2reuters.comNews and mediaquality 1.00
    https://www.reuters.com/markets/us/us-migrant-halt-may-wipe-potential-job-growth-2025-06-24/

    Backs: “Adjustments would occur over time via higher wages, prices, automation, reduced output, or imports, but frictions would be real and costly in the near-to-medium term.[[1]](https://www.deloitte.com/us/en/insights/topics/economy/spotlight/us-”

  3. 3econofact.orgAcademic
    https://econofact.org/?p=10788

    Backs: “term.”

  4. 4business-standard.comNews and mediaquality 0.62
    https://www.business-standard.com/amp/immigration/immigration-fall-from-2-million-to-515-000-may-shrink-us-labour-force-fed-125112000258_1.html

    Backs: “Without immigration, the working-age population would have begun shrinking years ago, and native-born labor force growth is already ve”

  5. 5usafacts.orgData and toolsquality 0.91
    https://usafacts.org/articles/which-industries-employ-the-most-immigrant-workers/

    Backs: “Immigrants (foreign-born) comprise roughly 18–20% of the U.S. workforce (about 30 mi”

  6. 6livemint.comNot yet classified
    https://www.livemint.com/global/how-a-historic-immigration-drop-is-changing-the-job-market-11756089136179.html

    Backs: “Surges post-2021 boosted employment growth; sharp slowdowns (to near-zero or negative net migration in 2025 estimates) have already reduced sustainable monthly payroll growth from 100,000–180,000+ toward 10,000–60,000 or lower.[[2]](https://www.reuters.com/markets/us/us-migrant-halt-may-wip”

  7. 7aei.orgNonprofits and think tanks
    https://www.aei.org/articles/unprecedented-u-s-immigration-surge-boosts-job-growth-output/

    Backs: “Surges post-2021 boosted employment growth; sharp slowdowns (to near-zero or negative net migration in 2025 estimates) have already reduced sustainable monthly payroll growth from 100,000–180,000+ toward 10,000–60,000 or lower.[[6]](https://www.livemint.com/global/how-a-historic-immigration-drop-is-changing-”

  8. 8axios.comNews and mediaquality 0.90
    https://www.axios.com/2026/05/29/immigration-population-growth-employment

    Backs: “A sustained halt or major reduction could shrink potential labor force growth, cut GDP growth by 0.2–0.4+ percentage points annually in the near term (and more cumulatively), and leave mi”

  9. 9straitstimes.comNews and mediaquality 0.75
    https://www.straitstimes.com/asia/australianz/australian-migration-cuts-to-take-heavy-toll-on-economy-with-worker-shortages-expected

    Backs: “Similar dynamics apply in Europe, Australia, Canada, and other aging developed economies facing w”

  10. 10mixedmigration.orgNonprofits and think tanks
    https://mmr2025.mixedmigration.org/mmr/2025/labour-shortages-and-anti-immigration-stances/

    Backs: “Similar dynamics apply in Europe, Australia, Canada, and other aging developed economies facing worker shortages amid low fertility.[[9]](https://www.straitstimes.com/asia/australianz/australian-migration-cuts-to-take-heavy-toll-on-econ”

  11. 11kff.orgNonprofits and think tanks
    https://www.kff.org/racial-equity-and-health-policy/potential-implications-of-immigration-restrictions-on-the-u-s-agricultural-workforce/

    Backs: “Specialty crops (fruits, vegetables, nuts) are especially dependent. Disruptions raise costs, reduce produc”

  12. 12congress.govGovernment
    https://www.congress.gov/crs_external_products/IF/HTML/IF12979.html

    Backs: “Disruptions raise costs, reduce production, or increase imports/spoilage.[[11]](https://www.kff.org/racial-equity-and-health-policy/potential-implications-of-immigration-restrictions-”

  13. 13snopes.comNot yet classified
    https://www.snopes.com/fact-check/40-percent-farmworkers-undocumented/

    Backs: “Disruptions raise costs, reduce production, or increase imports/spoilage.[[12]](https://www.congress.gov/crs_exte”

  14. 14buildwcg.comNot yet classified
    https://www.buildwcg.com/blog-posts/harvard-jchs-immigrants-construction-trades-workforce-growth-2026

    Backs: “Shortages already reported as more acute with reduced inflows.[[5]](https://usafacts.org/articles/which-industries-”

  15. 15bloomberglaw.comNews and media
    https://news.bloomberglaw.com/immigration/immigration-crackdown-fails-to-deliver-jobs-for-us-born-workers

    Backs: “Shortages already reported as more acute with reduced inflows.[[14]](https://www.buildwcg.com/blog-posts/harvard-jchs-immigrants-constru”

  16. 16equitablegrowth.orgNonprofits and think tanks
    https://equitablegrowth.org/economic-research-shows-immigration-is-good-for-u-s-workers-the-economy-and-affordability/

    Backs: “Healthcare support/home care, some professional services: Significant and growing relian”

  17. 17forbes.comNews and mediaquality 0.83
    https://www.forbes.com/sites/stuartanderson/2026/02/22/new-research-finds-reducing-immigration-does-not-help-us-workers/

    Backs: “Evidence from the COVID-era immigration drop showed a shortfall of ~1.65 million working-age immigrants that natives did not fully replace.[[15]](https://news.bloomberglaw.com/immigration/immigration-crackdown-fails-t”

  18. 18lse.ac.ukAcademic
    https://www.lse.ac.uk/CFM/assets/pdf/CFM-Discussion-Papers-2026/CFMDP2026-04-Paper.pdf

    Backs: “Studies find immigration often alleviates shortages (negative correlation with vacancy growth) due to complementarities with native workers—immigrants fill roles that enable expansion and more native hiring upstream/downst”

  19. 19kansascityfed.orgGovernment
    https://www.kansascityfed.org/research/economic-bulletin/rising-immigration-has-helped-cool-an-overheated-labor-market

    Backs: “Studies find immigration often alleviates shortages (negative correlation with vacancy growth) due to complementarities with native workers—immigrants fill roles that enable expansion and more native hiring upstream/downstream—rather than pure substitution.[[18]](https://www.lse.ac.uk/CFM/assets/pdf/CFM-Discussion-”

  20. 20telegraph.co.ukNews and mediaquality 0.61
    https://www.telegraph.co.uk/news/2026/10/24/rise-of-ai-is-blowing-apart-case-for-mass-migration/

    Backs: “Native labor force participation is lower overall than foreign-born in prime ages; some groups (e.g., certain low-skilled working-age males) have elevated non-participation, but structural issues (skills mismatch, geography, disability, preferences, incarceration history, etc.) limit eas”

  21. 21doi.orgAcademic
    https://doi.org/10.3386/w32389

    Backs: “Immigrants and natives are imperfect substitutes; natives often upgrade occupations in response to immigration.”

  22. 22migrationpolicy.orgNonprofits and think tanks
    https://www.migrationpolicy.org/explainer/immigrants-us-economy

    Backs: “Stopping inflows could raise wages in affected sectors but also prices for goods/services (food, housing construction, care), hitting cons”

  23. 23doi.orgAcademic
    http://dx.doi.org/10.29338/wp2024-01

    Backs: “Stopping inflows could raise wages in affected sectors but also prices for goods/services (food, housing construction, care), hitting consumers—especially lower-income ones.”

  24. 24wsj.comNews and mediaquality 0.80
    https://www.wsj.com/economy/immigration-workers-labor-market-b277548f

    Backs: “Short-term "curious balance" of cooler demand + tighter supply has kept u”