This paper combines data from two reports by the Center for Migration Studies (CMS) with Department of Homeland Security (DHS) statistics on apprehensions, adjustment of status, and removals, to illustrate major trends in undocumented immigration to the United States since 1990. It shows that the undocumented population and undocumented migration to the United States — which includes both entries without inspection (EWIs) and overstays of temporary visas — have fallen dramatically.