World population hits 8 billion!!
India to emerge as most populated country next year.
Global population doubled since 1974
t took all of human history until 1803 to reach the first billion in population. The 2nd billion took 124 years.
It took ~30 years to reach the global population from 2 to 3 billion.
From 3 to 4 billion it took 14 years.
From 4 to 5 billion it took 13 years.
From 5 to 6 billion it took 12 years
Over the last 10 years, the population growth is falling