what is the average male and female height?
According to the U.S. Centers for Disease Control and Prevention (CDC), the average age-adjusted height for American men 20 years and older is is 69.1 inches (175.4 cm), or 5 feet 9 inches tall, and the average height of an American female over 20 years of age is 63.5 inches (161.5 cm), or 5' 3.5" tall.