For the first time on record, fewer immigrants from Mexico were caught illegally crossing into the United States in 2014 than people from other countries. The Pew Research Center conducted the analysis using more than 60 years of Border Patrol data.

Total apprehensions by the Border Patrol increased 16 percent in the 2014 fiscal year to 486,651, driven by the surge of unaccompanied children and families from Central America illegally entering the Rio Grande Valley of Texas over the summer.

Of those, 257,473 were immigrants who are not Mexican, an increase of 68 percent over the previous year.

There were 229,178 Mexicans apprehended.

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These numbers are vastly different from 2007 when Mexican apprehensions totaled 809,000, compared with just 68,000 non-Mexicans.

The number of Mexican immigrants apprehended at the border peaked at 1.6 million in 2000, the Pew Research analysis showed.

Mexico remains the top country of origin for illegal immigrants living in the United States, but its numbers have declined since 2007, according to a separate Pew Research Center analysis.

Despite the decline, there are an estimated 5.9 million Mexican immigrants living in the United States illegally, representing 52 percent of the nation’s illegal immigrant population.