“more Americans have been added to the population of Mexico over the past few years than Mexicans have been added to the population of the United States”

Americans now make up more than three-quarters of Mexico’s roughly one million documented foreigners, up from around two-thirds in 2000, leading to a historic milestone: more Americans have been added to the population of Mexico over the past few years than Mexicans have been added to the population of the United States, according to government data in both nations.
Damien Cave, “For Migrants, New Land of Opportunity Is Mexico”, The New York Times (22 September 2013), 1.