제 목    uHKosRWZcoX 이 름    Chester 날 짜    2018/06/28 조 회    1 I'm a partner in trends im online marketing 2014 Demographer Jeffrey Passel, lead researcher of the Pew report, called the increase in undocumented immigrants statistically insignificant overall, and said that the more telling finding is that migration from more populous Mexico doesn't appear to be returning to former levels. The U.S. recession, tighter border security, drug-cartel violence and a lower fertility rate have discouraged migration from Mexico in recent years. Smaller families mean fewer working-age people putting pressure on that country's labor market.