US with lowest population growth over a decade in its history

New Census estimates suggest sluggish population growth in the United States between 2010 and 2019:

The new statistics permit an estimate of the U.S. population on Census Day (April 1, 2020) to have been 329.2 million people. If that turns out to be the case, the decade growth rate between 2010 and 2020 will be the lowest decade growth in U.S. history.

Figure 2 displays population growth rates for 10-year periods between the first U.S. census (taken in 1790) and projected results for the 2020 census (downloadable Table A). The projected growth of 6.6% between 2010 and 2020 is lower than in any previous decade, including the Great Depression years of the 1930s, when the nation registered 7.3% growth. It is roughly half the growth rate of the 1990s, a time of rising immigration and millennial-generation births.

The 2010s decade was one of fewer births, more deaths, and uneven immigration (downloadable Table C). Although immigration may have become unusually low due to recent federal restrictions that led to a decline in the noncitizen foreign-born population, low natural increase levels—fewer births, more deaths—will likely continue regardless of federal policy, as a result of the aging of the population. Some of this change can be attributed to lower fertility rates and the aging into adulthood of the last of the millennial population. However, census projections show older populations—especially those over age 65—will continue to display far higher rates of growth than youth.

In the United States, population growth is good. It implies status, expansion, success, new markets, getting bigger, being an attractive place for people from elsewhere to come. And without immigration, what would the population change be?

At this particular moment, I would guess that relatively few people are aware of such data. The Census Bureau continues to pump out information about communities and the country. The average resident may not need to be following such information. Is daily life significantly changed if the decade growth rate was 5% versus 8%? What are the effects of these different numbers on social life, politics, and the economy? Yet, in the broader view, these numbers might be more interesting.

I could imagine multiple ways leaders and the American public might take this data about growth. Is there an appetite for more population growth or an underlying assumption that America – and everything about it – will continue to grow at much higher rates? Is this slowdown in population growth taken as a sign of decline or indicative of multiple social issues? Perhaps other concerns are far more important today that basic demographics. And I suppose other might note that higher percentage population growth requires a lot more people than it did historically when the United States was much smaller.

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