in a milestone for humanity, the global population hit 8 billion on Tuesday after having added a billion people in the last 12 years.
India was the largest contributor to the milestone, having added 177 million people
The UN Population Fund (UNFPA), in a special graphic to mark the global population reaching eight billion
Asia and Africa has driven much of this growth is expected to drive the next billion by 2037
while Europe's contribution will be negative due to declining population.
The world added a billion people in the last 12 years. UNFPA said that as the world adds the next billion to its tally of inhabitants, China's contribution will be negative.
India, the largest contributor to the 8 billion was the second largest contributor