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Wednesday, April 20, 2016

Mexico to the US: Border Apprehensions and Immigration Fall

The number of Mexicans apprehended at the US border is approaching a 50-year low, dropping back to levels last seen  in the 1960s. Most of the reason seems to be that immigration from Mexico dropped off several years ago, and has stayed low since then. Ana Gonzales-Barrera gives a quick overview of the evidence in "Apprehensions of Mexican migrants at U.S. borders reach near-historic low," published on April 14 by the Pew Research Center.

Here's the annual data from the US Border Patrol on apprehensions at the US-Mexico border over time.

Apprehensions of Mexicans at U.S. borders fall to near historic lows in 2015

The number of border apprehensions is often taken as a rough-and-ready measure of the number of people seeking to enter the US illegally. The decline strongly suggests that fewer Mexicans are trying to do so. Here's data from the Mexican government on the emigration rate from Mexico per 100,000 in the last decade. Notice that the big decline happens some years ago, even before the start of the Great Recession.
Mexican emigration rates stable for past five years

Data from the US side of the border on the Mexican immigrant population in the US actually shows a downturn in recent years.

 Gonzalez-Barrera provided a useful figure in a longer report she wrote last fall at the Pew website about "More Mexicans Leaving than Coming to the U.S." (November 19, 2015). 

Mexican Immigrant Population in the U.S. in Decline

These trends and the economic and demographic patterns behind them aren't new. I was blogging four years ago on the topic: "Net Immigration from Mexico Stops--or Turns Negative" (April 24, 2012). I wrote last year about "The Declining Number of Illegal Immigrants" (July 13, 2015) and about how "China and India Overtake Mexico for Inflow of US Foreign-Born Residents" (May 13, 2015).

How to limit or regulate the enormous inflow of immigrants from Mexico was a legitimate policy concern from the 1970s into the early 2000s. As Gonzalez-Barrera puts it, that migration was "one of the largest mass migrations in modern history." But now that flow has fallen substantially, and even reversed itself. The main issue now is be how we deal with the after-effects of that enormous mass migration and the immigrants who are already here--many of whom have been here for quite some time.