Using data from the International Database, the U.S. Census Bureau estimates the world population hit 8 billion on September 26. The United Nations (U.N.) Population Division estimates the world ...
The fertility rate has plummeted to 1.10, far below the replacement rate of 2.1. Women are delaying marriage and having children later, citing careers, cost of living and economic pressures.
The world is divided into seven continents: Africa, Asia, Europe, North America, South America, Oceania (which includes Australia and New Zealand), and Antarctica. Each continent is unique in its ...