While Mexico is the United States’ largest source of immigrants, the number of Mexican immigrants living in the U.S. illegally has declined since 2007.
The number of migrant apprehensions at the U.S.-Mexico border rose by 42% in October and November of 2016 compared with the same two-month period in 2015.
The Obama administration deported 414,481 unauthorized immigrants in fiscal 2014, a drop from the prior year driven by a decline in deportations of immigrants with a criminal conviction.