2014

Immigration Has Little Impact on U.S. Aging New Census projections show small effect on working-age share of population

WASHINGTON, May 16, 2013 /PRNewswire-USNewswire/ -- The Center for Immigration Studies has examined the Census Bureau's new projections which examine the impact of different levels of immigration on the United States. The projections show what demographers have long known: immigration has only a small impact on slowing the aging of America. Many promoters of the Gang of Eight immigration bill, which roughly doubles legal immigration, argue it's needed to forestall aging, but the Bureau's new projections show immigration's impact is slight.

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The Center's Director of Research, Steven Camarota, observes, "Many worry that there won't be enough workers in the future to support the economy or pay for government. While immigrants often arrive young, and have somewhat larger families than natives, immigrants age just like everyone else, and the differences with natives are not large enough to fundamentally alter the nation's age structure. The debate over immigration should focus on other areas where it actually has a significant effect."

The tables released by the Census Bureau show:

  • The Bureau's high-immigration projection shows that if net immigration totals 67 million by 2060, a total of 57.3% of the U.S. population will be of working age (18 to 64). The low-immigration projection (35 million immigrants by 2060) shows a working-age share of 56.4%.
  • The high-immigration projection assumes 67 million arrivals by 2060, roughly double the 35 million that the low projection assumes. Yet the working-age (18-64) share of the population increases by less than one percentage point.
  • Turning to the 65 and older population, the new projections also show immigration has only a small impact. The high-immigration projections show that 21.3% of the population would be of retirement age in 2060, compared to 22.6% under the low-immigration projection.
  • Mathematically, immigration levels simply cannot have a large impact on aging. An important 1992 article in Demography, the leading academic journal in the field, points out that "constant inflows of immigrants, even at relatively young ages, do not necessarily rejuvenate low-fertility populations. In fact, immigration may even contribute to population aging."
  • The Census Bureau concluded in projections done in 2000 that immigration is a "highly inefficient" means for increasing the percentage of the population that is of working-age in the long run.
  • To understand why immigration has a small impact on aging it is helpful to remember that although many immigrants arrive young, they grow older like everyone else. As a result, in 2012 the average age of an immigrant was 43 years compared to 37 years for natives.
  • It is also important to note that the Total Fertility Rate in the United States (for immigrants and the native-born together) is 1.98 children per women (ages 15-49). Without immigrants, the rate is 1.88. So immigrants do increase the nation's TFR, but only by .1 children on average.

The Census Bureau's new projections are at: http://www.census.gov/population/projections/data/national/2012/summarytables.html

Table 17 shows the net immigration levels under the Bureau's high and low immigration assumptions. Table 3 shows the share of the population to 2060 that is of working age – ages 18 through 64 – under the Bureau's high- and low-immigration projections.

The 1992 Demography article mentioned above was authored by Carl P. Schmertmann. It is entitled: "Immigrants' Ages and the Structure of Stationary Populations with Below-Replacement Fertility", (Vol. 29, No. 4). The 2000 Census Bureau population projections mentioned above can be found here: http://www.census.gov/population/www/documentation/twps0038.pdf. The average age figures for immigrants and natives discussed above is from the public use file of the Annual Social and Economic Supplement of the Current Population Survey from 2012. The Total Fertility Rate discussed above is from the public use file of the 2011 American Community Survey, also collected by the Census Bureau.

View the Senate bill, CIS Senate testimony and commentary at:
http://cis.org/Border-Security-Economic-Opportunity-Immigration-Modernization-Act

The Center for Immigration Studies is an independent, non-partisan, non-profit research organization. Since its founding in 1985, the Center has pursued a single mission – providing immigration policymakers, the academic community, news media, and concerned citizens with reliable information about the social, economic, environmental, security, and fiscal consequences of legal and illegal immigration into the United States.

Contact: Marguerite Telford
mrt@cis.org, 202-466-8185

SOURCE Center for Immigration Studies



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