Just figure out how many 7-foot-tall persons you'd have to add to your country to increase the average height by 1 inch. 7 feet = 2.1336 meters 1 inch = 2.54 c

Just figure out how many 7-foot-tall persons you'd have to add to your country to increase the average height by 1 inch. 7 feet = 2.1336 meters 1 inch = 2.54 centimeters