World. CIA World Handbook Therefore,  the worldwide human population density is around 7,500,000,000 510,000,000 = 14.7 per km2 (38 per sq. mi.).
<meaning-changed> World. CIA World Handbook Therefore,  the worldwide human population density is around 7,500,000,000 510,000,000 = 14.7 per km2 (38 per sq. mi.).
World. CIA World Handbook Therefore, from this very crude type of calculation, the worldwide human population density is around 7,500,000,000 510,000,000 = 14.7 per km2 (38 per sq. mi.).