Question

Difference between population density and persons per square km

Answer 1

For humans, population density is the number of people per unit of area, usually quoted per square kilometer orsquare mile (which may include or exclude, for example, areas of water or glaciers). ... Therefore, the worldwide human population density is around 7,500,000,000 ÷ 510,000,000 = 14.7 per km2 (38 per sq. mi