In 2014, one in five births (791,000) in the United States was to an immigrant mother, contrasted with 13% of the total population being foreign-born. Immigrant mothers accounted for half or nearly half of births in Miami, San Francisco, and San Jose, CA.
in 2012-2016, legal immigrants accounted for 12.4% of all births, and unauthorized immigrants accounted for 7.5% of all births and close to 40% of immigrant mother births.
Medicaid paid for 30% of non-immigrant mother births, 29% of legal immigrant mother births, and 14% of unauthorized mother births. Uninsured births: for 12% of non-immigrant mother births, 18% of legal immigrant mother births, and 53% of unauthorized mother births.