While 67% of lawful immigrants eligible for naturalization had applied for and obtained U.S. citizenship by 2015, this share was only 42% among Mexicans.
High intermarriage rates and declining immigration are changing how some Americans with Hispanic ancestry see their identity. Most U.S. adults with Hispanic ancestry self-identify as Hispanic, but 11%, or 5 million, do not.
Between 2009 and 2014, about 140,000 more Mexican immigrants have returned to Mexico from the U.S. than have migrated here, citing family reunification as the main reason for leaving.