Will stopping immigration cause labor shortages?
[1][2]Yes, sharply reducing or stopping immigration is likely to cause or worsen labor shortages in many sectors and constrain overall economic growth, particularly in aging societies with low native birth rates—though economies can partially adjust over time via higher wages, automation, native labor force shifts, or reduced activity. This is not absolute or immediate in every case, but evidence from economics, recent policy changes, and history strongly supports the link.[1]
Recent Evidence from the US (and Similar Trends Elsewhere)
Immigrants have driven most recent US labor force growth. Foreign-born workers accounted for a large share (often cited around 80%+) of growth in recent years, and without immigration the working-age population would have begun shrinking years earlier due to aging and low fertility.[2]
Similar dynamics appear in Europe and other OECD countries: aging populations create structural shortages (e.g., SMEs reporting skill/worker gaps), and curbing migration clashes with needs in construction, care, and services. Demographic projections show large labor force gaps without inflows.[6]
Longer-term projections of major policy-driven reductions estimate millions fewer workers (e.g., 6.8–15.7 million by late 2020s–2030s under certain scenarios), slower GDP growth (potentially by a third in some estimates), and productivity drags from less business formation and capital investment.[7]
Historical Precedents
Economies adapt: higher wages can draw some natives (or raise participation), firms invest in capital/automation, production may shift or shrink, and prices can rise. Low-skill restrictions via lotteries (e.g., H-2B) show firms with more access expand output/investment/profits, with low substitutability for natives (sometimes positive native employment effects via scale). However, adjustments are incomplete/slow in labor-intensive, location-specific, or physically demanding roles, and overall growth suffers when labor supply is constrained amid demographics.[10]
Nuances and Counterarguments
In short, for countries like the US or those in Europe facing demographic decline, immigration is a primary buffer against labor force contraction. Abruptly stopping it reliably tightens specific markets, slows potential growth, and creates shortages that natives and technology do not fully or quickly offset—consistent with both theory (labor supply shocks) and data. Targeted reforms, training, and automation can mitigate but rarely eliminate the need in the near-to-medium term.
Citations (10)
- https://www.reuters.com/markets/us/us-migrant-halt-may-wipe-potential-job-growth-2025-06-24/
Backs: “[[1]](https://www.reuters.com/markets/us/us-migrant-halt-may-wipe-potential-job-growth-2025-06-24/)”
- 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: “[[2]](https://www.business-standard.com/amp/immigration/immigration-fall-from-2-million-to-515-000-may-shrink-us-labour-force-fed-125112000258_1.html)”
- https://www.usbordernews.com/p/immigration-crackdown-depletes-skilled-us-workforce
Backs: “Enforcement has led to workers staying home out of fear, temporary site closures, and unfilled roles that natives often do not fill readily due to preferences, skills, location, or willingness for physical/temporary work.”
- https://news.bloomberglaw.com/immigration/immigration-crackdown-fails-to-deliver-jobs-for-us-born-workers
Backs: “Immigration often complements natives (boosting demand via spending/entrepreneurship and enabling specialization), rather than purely substituting.”
- https://cepr.org/publications/dp21301
Backs: “Unauthorized inflows have historically boosted local employment roughly one-for-one with mixed/limited wage depression.”
- https://mmr2025.mixedmigration.org/mmr/2025/labour-shortages-and-anti-immigration-stances/
Backs: “Demographic projections show large labor force gaps without inflows.”
- https://fortune.com/2025/10/21/trump-immigration-policy-jobs-workforce-american-workers-gdp-growth/
Backs: “Longer-term projections of major policy-driven reductions estimate millions fewer workers (e.g., 6.8–15.7 million by late 2020s–2030s under certain scenarios), slower GDP growth (potentially by a third in some estimates), and productivity drags from less business formation and capital investment.”
- https://www.library.hbs.edu/working-knowledge/history-check-how-barring-immigrants-backfired-in-1880s-america
Backs: “Manufacturing output fell sharply (~62% in heavily affected counties), establishments closed, and native wages/employment did not rise as hoped—firms struggled to replace the labor.”
- https://www.wilsoncenter.org/article/mexican-braceros-and-us-farm-workers
Backs: “Instead, it accelerated mechanization (e.g., cotton/tomato harvesters), caused uneven shortages and disruptions, raised some farm wages temporarily, and contributed to a large rise in unauthorized migration as demand persisted. Domestic employment gains were limited.”
- https://www.aeaweb.org/articles?id=10.1257/app.20250049
Backs: “However, adjustments are incomplete/slow in labor-intensive, location-specific, or physically demanding roles, and overall growth suffers when labor supply is constrained amid demographics.”