American Unauthorized immigrant population could be the lowest in 10 years….

The number of unauthorized immigrants in the U.S. has dropped to the lowest level in 10 years, but today’s immigrants are more likely to have been in the U.S. for more than a decade, according to a new study by Pew Research.

Why it matters: While the Trump administration wages war on illegal border crossers and immigrants who overstay their visas, the actual number of unauthorized immigrants in the U.S. has been falling — even as the share of the population born outside the U.S. has reached an all-time high.

Between the lines: The trend is largely due to a dramatic decrease in the number of Mexican immigrants illegally entering the U.S. Meanwhile, there’s been a notable uptick in the number of unauthorized immigrants from Central American countries.

• Central America was the only region that had more unauthorized immigrants in the U.S. in 2016 than in 2007….

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Note…

The Pew study also reports that unauthorized immigrant population in the US is older, which checks with the lower number of new immigrants….In this group are people who have been enjoying government agreed to legal protection that the Trump admin is trying to throw out…Federal judges have prevented any action against them losing promised legal protection…Congress has been unable to do anything while a Republican majority is in effect….