Will stopping immigration cause labor shortages?

Stopping immigration and labor shortages — I'll gather data on how workforce trends and industry demand would respond.

Yes, most economic research concludes that completely stopping immigration would cause labor shortages - especially in the United States and other advanced economies with aging populations and low birth rates - though the severity depends on time horizon, sector, and whether native workers, automation or policy changes can offset the gap.

1. Why economists expect shortages

> Reduced immigration contributes to labor shortages, driving inflationary pressures as the supply of immigrant-dependent goods and services shrinks.

And more broadly:

> Indiscriminate immigration restrictions or large-scale deportation efforts will shrink the U.S. economy and hurt native-born and immigrant residents alike.

The reason is demographic structure, not just short-term hiring difficulties:

Between 2010 and 2018, immigrants and their U.S.-born children accounted for more than four-fifths of labor force growth.

Since 2007, the nation's fertility rate has remained below replacement level, and analysts now estimate it will stabilize at just 1.53 births per woman, which is significantly below the 2.1 birth rate needed to maintain a stable population.

As a result:

Without that inflow, the labor force essentially stops growing. The CBO forecast that over the next decade the U.S. population will grow an average 0.3% each year, half the growth rate reported last year, equating to a downward revision of 2.4 million fewer working-age Americans by 2035.

A CBO outlook also noted:

> But declining birth rates and the White House's immigration crackdown is set to put an even larger dent in America's future workforce—a more than 2 million-person gap

And:

> The CBO forecasts reduced net immigration owing to the Trump administration's policies will lead to 5.3 million fewer people living in the U.S. a decade from now

Brookings noted that "nearly all growth in the labor force has stemmed from immigration flows" in recent years.

2. Which sectors are most vulnerable?

Immigrants can provide much-needed labor in sectors where there is a shortage of workers, such as agriculture, construction, and healthcare.

Other analyses list the sectors most acutely affected by labor shortages as agriculture, construction, hospitality (hotels and restaurants), and healthcare support services like elder care. These industries have historically relied heavily on immigrant labor.

These are described as in-person, hands-on labor where tasks cannot be automated.

Examples from other countries show the same pattern:

3. Short-term vs long-term

4. Counterarguments and mitigations

Opponents of the shortage thesis argue that employers could respond other ways:

In theory, shortages could be mitigated by:

The historical evidence suggests these adjustments are partial. Studies of the 1964 "bracero exclusion," which removed nearly half-a-million Mexican agricultural workers, found it did not result in the promised boost to native-born farm wages and employment. Instead, jobs were either replaced by machines or eliminated entirely.

Conclusion

A complete stop to immigration would not cause an overnight disappearance of workers, but in economies like the U.S., Canada, Australia, Japan and most of Europe where fertility is below replacement and the population is aging, it would almost certainly create structural labor shortages within a few years, concentrated in agriculture, construction, healthcare, hospitality and other low-wage or highly skilled shortage occupations. Over decades it would mean a smaller and older population, slower GDP growth, and greater fiscal pressure on pensions and healthcare.

If immigration were only sharply reduced rather than stopped entirely, or if it were replaced by higher domestic participation and productivity gains, shortages would be smaller but the underlying demographic pressure would remain.