the entire world.

World population is around 8,000,000,000 and the Earth's total area (including land and water) is 510,000,000 km2. Therefore, the worldwide human population density is approximately 8,000,000,000 ÷ 510,000,000 = 16 /km2. However, if only the Earth's land area of 150,000,000 km2 is taken into account, then human population density is 53 /km2. This includes all continental and island land