Population dynamics

World population growth

World population has grown from 1 billion in 1804 to about 7 billion in 2012. The main reason for gthis rise is the fall of the death rate (DR)

More recently, there has been a fall in the birth rate (BR). This means that the rate of population growth is predicted to slow down, though nobody knows when zero population growth will be reached. Some have suggested the early 2020s but others think global population will reach 10 billion by…