STC's International Membership From 1979 to 1991
http://www.stc.org/ConfProceed/1993/PDFs/Pg194197.pdf

Coolidge, Joy
STC Proceedings
1993

Abstract:

This study examined changes in STC's overall and international membership between 1979 and 1991. Though the USA and Canada consistently comprised about 97% of the membership, significant changes occurred within the international membership. The Pacific Rim Countries experienced the greatest growth, with their membership increasing about twenty fold over the twelve year period, as compared to a five times increase in the overall international membership, and a three times increase in the entire membership. The disparity of the growth rates resulted in Japan replacing Israel as the residence for most international members, with Australia in second place.