Using information supplied by immigrants interviewed by the Mexican Migration Project (MMP) we analyze the Social Security coverage of jobs held by legal and other-than-legal Mexican immigrants who work in the United States. Our analysis suggests that about half the Mexican-born migrants...

For decades scholars have attempted to understand the effects of immigration on the U.S. Social Security system. To date, this research has been primarily limited to migrants in the U.S. and does not consider those who return to their countries of origin. Immigrants often pay OASDI taxes using...