Will stopping immigration cause labor shortages?

Whether stopping or significantly restricting immigration will cause labor shortages is a central question in modern economics. The broad consensus among economists is that stopping immigration does cause labor shortages, particularly in the short to medium term and within specific sectors. However, the long-term effects depend on how businesses, technology, and the domestic workforce adapt.

Below is an overview of why restricting immigration leads to labor shortages, how proponents of restrictions argue the market will adjust, and what historical and recent economic data show.

1. Why Stopping Immigration Causes Labor Shortages

Most economists argue that a sudden or complete halt to immigration creates immediate labor scarcity due to several structural factors:

•Demographics and Aging Populations: In most developed nations, birth rates are declining and the native-born population is aging. In the U.S., for example, deaths are projected to outpace births by the 2030s. Without immigration, the total size of the labor force naturally shrinks, leaving fewer workers to support growing demand.

•High Reliance in Specific Sectors: Immigrants represent a massive share of the workforce in labor-intensive, hard-to-automate industries. Sectors like agriculture (where a vast majority of workers are foreign-born), construction, hospitality/food service, and healthcare (particularly senior and home health care) rely heavily on immigrant labor. Restricting immigration leaves these jobs vacant, as there are often not enough native-born workers willing or available to do them.

•Labor "Complementarity": Immigrant and native-born workers rarely compete directly for the same jobs; instead, they often complement each other. For example, low-skilled immigrant labor in construction (such as drywalling or roofing) allows specialized, high-skilled native-born workers (such as project managers, engineers, and electricians) to do their jobs. When the supply of complementary immigrant labor dries up, projects stall, which can actually decrease demand and opportunities for native-born workers.

2. The Counter-Argument: How Markets Might Adjust

Proponents of restricting immigration argue that a "labor shortage" is a temporary market imbalance that will naturally resolve itself through other economic mechanisms:

•Wage Growth for Domestic Workers: Restrictionists argue that reducing the labor supply forces employers to compete for native-born workers by offering higher wages, better benefits, and improved working conditions.

•Capital Investment and Automation: Instead of hiring more people, businesses facing labor scarcity are incentivized to invest in technology. For example, a farm facing a shortage of fruit pickers might buy automated harvesting machinery. This increases productivity per worker.

•Drawing Inactive Workers Back: Higher wages may entice discouraged or inactive domestic workers (such as retirees, students, or those who have dropped out of the labor force) back into employment.

3. What Economic Evidence and History Show

When economists look at real-world examples of immigration restrictions, they find that the transition is rarely seamless, and the negative shocks often outweigh the benefits:

•Wages Do Not Automatically Skyrocket: While economic theory suggests wages should rise when labor is scarce, empirical evidence shows any wage increases for native workers are usually modest and temporary. Companies often cannot afford to raise wages indefinitely without pricing themselves out of the market. Instead of raising wages, many firms respond to labor shortages by reducing operating hours, scaling back expansion plans, or closing down.

•The 1920s Precedent: In the 1920s, the U.S. implemented strict immigration quotas that cut immigration by over 80%. Economic historians studying this period found that the quotas did not raise wages for native-born workers. Instead, the agricultural sector rapidly shifted to automation, while urban industries shifted toward higher-skilled manufacturing, leaving low-skilled native workers with fewer opportunities.

•Recent Policy Shifts (2025–2026): Recent analyses of tightening immigration enforcement and declining foreign-born workforces have shown direct links to labor shortages. In sectors like construction and manufacturing, reduced labor supply has led to delayed projects, higher building costs, and a cooling of overall employment growth. Rather than benefiting native-born workers, these shortages have contributed to inflation (as the cost of goods and services rises to cover higher production costs) and slowed down overall economic growth.

Conclusion

Yes, stopping immigration causes labor shortages. While a restriction in labor supply can theoretically push wages up slightly for certain domestic workers in the short term, the broader economic reality is more disruptive. Without immigrant labor, critical industries—ranging from agriculture to high-tech—struggle to fill open roles, leading to reduced economic output, delayed projects, higher prices for consumers, and overall slower economic growth.

Citations (9)

1econlib.orgEncyclopedias and reference
econlib.org
Backs: “The broad consensus among economists is that stopping immigration does cause labor shortages, particularly in the short to medium term and within specific sectors.”
2equitablegrowth.orgNonprofits and think tanks
equitablegrowth.org
Backs: “The broad consensus among economists is that stopping immigration does cause labor shortages, particularly in the short to medium term and within specific sectors.”
3princeton.eduAcademic
princeton.edu
Backs: “However, the long-term effects depend on how businesses, technology, and the domestic workforce adapt.”
4americanprogress.orgNonprofits and think tanks
americanprogress.org
Backs: “Demographics and Aging Populations: In most developed nations, birth rates are declining and the native-born population is aging.”
5wes.orgNonprofits and think tanks
wes.org
Backs: “Demographics and Aging Populations: In most developed nations, birth rates are declining and the native-born population is aging.”
6cfr.orgNonprofits and think tanks
cfr.org
Backs: “Sectors like agriculture (where a vast majority of workers are foreign-born), construction, hospitality/food service, and healthcare (particularly senior and home health care) rely heavily on immigrant labor.”
7hbs.eduAcademic
hbs.edu
Backs: “Restricting immigration leaves these jobs vacant, as there are often not enough native-born workers willing or available to do them.”
8forbes.comNews and mediaquality 0.83
forbes.com
Backs: “When the supply of complementary immigrant labor dries up, projects stall, which can actually decrease demand and opportunities for native-born workers.”
9cis.orgNonprofits and think tanks
cis.org
Backs: “Drawing Inactive Workers Back: Higher wages may entice discouraged or inactive domestic workers (such as retirees, students, or those who have dropped out of the labor force) back into employment.”