Sometimes seeing the same thing from different angles helps give a better insight. However, contrast this with a rate of 5 in 1955. In all regions of the world, the fertility rate has been decreasing, often at an astonishing rate. This can account for the decline in the rate of increase in the world's population. People are living longer before they die Infants and young children are much less likely to die now than 40 years ago.
People living longer contribute to the increase in world population.
Nor could anyone have predicted the incredible decrease in child mortality or increase in rate of child vaccinations. Today we do not know what will happen in Africa as a result of the HIV-AIDS crisis. Many of the cases are infants. All rights reserved.