Covid outbreak: 3 in 10 people; Billions of people worldwide are at risk of not having access to life-saving clean drinking water and

World population declining; Overpopulation is one of the great challenges facing humanity. Since the 1950s, mainly due to medical advances

Most populous country India; By mid-April, the forecast is for India to overtake China as the world's most country.

The world population today reaches 8 billion people, a population four times larger than the world had in 1927. The 2022 revision