The average American man between the ages of 20 and 39 weighed about 197 pounds and stood at 5 feet 9 inches tall, according to a 2015-2016 health survey by the National Center for Health Statistics. The average woman of that age range was roughly 5 feet 4 inches tall and weighed about 168 pounds.
https://www.yahoo.com/lifestyle/worlds-tallest-populace-shrinking-scientists-212931332.html
https://www.yahoo.com/lifestyle/worlds-tallest-populace-shrinking-scientists-212931332.html
