Henry R. Mason, in studies conducted in the fall of 1969, reported in a written communication (Feb 6, 1970) that an estimated 2,843 US citizens (including approximately 500 Puerto Ricans) were attending medical school in 16 medical schools visited by him in Belgium, Italy, Mexico, Spain, and Switzerland. While the largest numbers of American citizens attending medical schools abroad attend those visited by Mason, a lesser number of Americans attend medical schools in other European countries. Although precise figures are not presently available, the total number of Americans studying medicine abroad may be in the range of 3,500 to 4,000.
Beginning in 1969, the Educational Council for Foreign Medical Graduates has published in the Annual State Board Number of the Journal of the American Medical Association (now known as the Medical Licensure Number)1,2 a tabulation showing the number of candidates from each medical school who took the examinations of
McGuinness AC. ECFMG ExaminationsUnited States Citizen Candidate Performance. JAMA. 1970;214(9):1685–1686. doi:10.1001/jama.1970.03180090051010