1102 



Figure 3 



Percentage of 'Trofessional, Technical and 

 Kindred Workers'' Out of Total Immigrants 

 into the United States by Region of Origin, 

 1952 - 1969 



% 



32 



30 



28 



26 



24 



22 



20 



18 



16 



14 



12 



10 



r — 



ASIA EXCEPT JAPAN 



SOUTH AMERICAl 



AFRICA) 



\\ 



N\ 



/ 

 / 

 / 

 / 



/ 

 / 



\ / 



V 



/>cr 



'NORTH AMERICA 

 EXCEPT CANADA 



2 — 



1952 '53 '54 '55 '56 '57 '58 '59 '60 '61 '62 '63 '64 '65 '66 '67 '68 '69 



Source: Gregory Hen6er%on, Emigration of Highly-Skilled Manpower from the Developing Countries, 

 United Nations Institute for Training and Research lUNITAR), New York, 1970. p. 198. 

 (The Annual Reports, 1952 1967, of U.S. Immigration, cited from S. Watanabe, Economic 

 Branch, ILO, Geneva, "Brain Drain from Developing to Developed Countries", April 1968.) 



