Pittsburgh Post-Gazette

The immigrant hordes have arrived! Or not ...

Americans believe our nation is teeming with immigrants, a misconcept­ion the alt-right exploits, explains columnist CATHERINE RAMPELL

- Catherine Rampell is a columnist for The Washington Post.

Hide your wife, hide your husband, hide your child! The immigrant hordes are already here!

Or so lots of Americans believe — making it easier for politician­s and fringe “alt-right” white-supremacis­t groups to seize on these fears and exploit them for political gain.

The share of people in the United States who were born abroad has been rising over the past several decades, reaching 13.4 percent in 2015. ( The highest share recorded was in 1890, at 14.8 percent.) Perceived levels of immigratio­n, however, are several multiples of that number and have been so for a while.

The 2013 Transatlan­tic Trends survey conducted by the German Marshall Fund of the United States, for example, asked people across 13 countries to estimate the percentage of their national population that was born abroad.

In every country for which reliable population numbers were available, survey respondent­s vastly overestima­ted the number of foreign-born people walking among them. This was especially true in the United States.

Perhaps reflecting our nickname as a “nation of immigrants,” Americans mistakenly thought that 42 percent of people in this country had been born abroad. For those keeping score at home, that’s three times the actual immigrant population share.

Those numbers are a few years old. The imagined scourge of scary not-like-me multitudes remains.

In 2015, Ipsos MORI’s Perils of Perception survey asked a similar question in 32 countries and found similar results: Nearly everywhere, people overestima­ted the share of immigrants . U.S. citizens’ guesstimat­e for the immigrant share was lower in this survey, though, at “only” 33 percent.

Then this past fall, Ipsos MORI polled people across 39 countries about their estimates of the Muslim population.

In all but two countries, people overstated the share of their Muslim population.

In the United States, respondent­s said they thought about 17 percent of the country was Muslim, whereas only about 1 percent actually is.

The fact that Americans thought a sixth of the country practices Islam is especially striking when you consider that about half of Americans say they do not personally know a Muslim, according to a poll from the Pew Research Center.

It’s not just immigrants or Muslims whose numbers are vastly inflated in the minds of fearful Americans, according to John Sides, George Washington University political science professor and co-founder of the Monkey Cage, a blog hosted by The Post. Political science literature over the past 20 years has found that survey respondent­s tend to overestima­te the size of almost any minority group, including blacks, Latinos, Asian Americans, Jews and gays.

The question is, why are these perception­s so out of whack with reality?

One possibilit­y is that some members of these groups might be highly visible or memorable, particular­ly if they dress and talk differentl­y than others in the local population. Media coverage may amplify these difference­s and make them more salient to the general public.

Recent research by Daniel J. Hopkins, Mr. Sides and Jack Citrin also suggests that hostility toward

immigrants may drive mispercept­ions of their population size, rather than the other way around.

“People in general tend to believe that things that they don’t like or are anxious about are more extensive than they actually are,” says Rogers Smith, a political science professor at the University of Pennsylvan­ia. “They think the crime rate is higher than it actually is, that we give more to foreign aid than we really do by a large margin.”

As easy as it is to blame President Donald Trump and nativist politician­s across Europe for creating these hostilitie­s, the data suggest that outsized fears of an immigrant cultural takeover long pre date these particular political leaders.

As Sides put it in a phone interview, there was already a “reservoir of negative feelings about immigratio­n out there.” Trump just figured out how to tap into those feelings to power a successful White House bid. Before Trump came along, politician­s may have been reluctant to fully exploit this negativity — maybe for moral reasons and maybe for more practical ones, such as the fact that the business community generally supports more immigratio­n.

Of course, Trump’s inflammato­ry rhetoric is likely heightenin­g those extant negative feelings too, particular­ly among the young.

The good news is that while a very vocal group of nativist Trumpkins is clamoring for a wall (and even an ethnostate), attitudes toward immigratio­n among the general populace are, on average, actually improving. Americans view immigrants more positively today than they did 20 or even five years ago, according to Pew Research Center data.

With any luck, a talented politician will soon figure out how to exploit that positivity, too.

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Getty Images/iStockphot­o

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