Average height of American males (in centimetres) Tallest: Alabama: 181.8 cm. Shortest: Hawaii: 172 cm : r/MapPorn
Massive Study Looks At How Heights Around The World Have Changed Over The Past Century : Goats and Soda : NPR
Is the average women in Bolivia, Indonesia, and Guatemala short enough to be considered a Dwarf (4'10 or under)? - Quora