The city of El Alto is one of the highest cities in the world, up to 4150 meters (13,615 feet) above sea level. The main factors of El Alto are:

1. Rich ethnic culture: As of the 2001 census, the population was 649,958 and 79% of them are Aymara. This ethnic group lived in the region for many centuries before becoming a subject people of the Inca, and later of the Spanish in the 16th century. Until now, they contained many of their ethnic markers.

2. Economy: The recent growth of commerce and industry has made local authorities to claim the title of "Bolivia's Economic Capital."

3. Rapid population growth: Explosive population growth (10% a year) has meant that.