World Population Day: What will the world look like in 2050?
Al JazeeraOver the past year, the world population officially hit eight billion, and India surpassed China to become the world’s most populous country. The animation below shows how the world’s population tripled from 2.5 billion people in 1950 to 8 billion in 2022. World population’s billion milestones The global population has increased eightfold since 1800, from an estimated one billion in 1804 to eight billion in 2022. One billion – 1804 Two billion – 1927 Three billion – 1960 Four billion – 1974 Five billion – 1987 Six billion – 1999 Seven billion – 2011 Eight billion – 2022 Nine billion – 2037* Ten billion – 2057* While the global population continues to reach new highs, demographic experts have pointed out that the annual growth rate has consistently declined to below 1 percent.