Global population to reach 7 billion in two years , research institute projects . Most growth is occurring in developing and poor nations , study finds . By 2050 , India is projected to be the world 's most populous nation at 1.7 billion , overtaking current leader China , which is forecast to hit 1.4 billion . Uganda 's population expected to almost triple by 2050 . Comment:
Global population to reach 7 billion in two years , research institute projects . Most growth is occurring in developing and poor nations , study finds . Uganda 's population expected to almost triple by 2050 . Comment: