
Worldwide, more than 80 million people live at least 8,202 feet (2,500 meters) above sea level, mainly in South America, Central Asia and East Africa.
Some of the highest permanent settlements include Wenquan in China's Qinghai province, at a staggering 15,980 feet (4,870 m) above sea level, and Korzok in India, around 15,000 feet (4,572 m) above sea level.