Proportion of Non–US-Born and Noncitizen Health Care Professionals in the United States in 2016

National estimates of the proportion of current health care professionals, including physicians, who are non-US-born or noncitizens are unknown. These proportions may be significant. For example, non-US-born medical graduates comprise approximately one-fifth of practic ing US physicians, 1,2 and among non-US-born medical graduates who match into residency positions in the United States, approximately 60% are not US citizens. Using data from the US Census, this study estimated the proportion of non-US-born and noncitizen health care professionals in the United States in 2016.