The study shows that in general American men range in average weight. from 146 pounds at 62 inches in height to 190 pounds at 73inches; while. for American women this average progresses from 129 pounds at 58. inches to 157pounds at 67 inches. Adults in the United States weigh 5 to Gpounds move on the average than. their Canadian counterparts did in 1953, 14 to 19 pounds more than the. British in the study findings of 1943, and 6 to 11 pounds move than insured. Americans in the 1959 study of the Society of Actuaries.