Why Does Demographic Momentum Occur
Demographic Momentum Is the Tendency for Growing Populations to Continue Growing After a Fertility Decline Because of Their Young Age Distribution. This Is...
Demographic momentum is the tendency for growing populations to continue growing after a fertility decline because of their young age distribution. This is important because once this happens a country moves to a different stage in the demographic transition model.
What stage does demographic momentum happen?
Population momentum naturally occurs towards the end of stage 3 of demographic transition. Even though the birth rate may be falling in a country, the natural increase in terms of total number may be rising due to population momentum.
How long does demographic momentum last?
One of the most common misconceptions about population growth is that a population stops growing once replacement level fertility is reached (a roughly 2-child average). In fact, due to population momentum, a country’s population can continue growing for another 70 years once replacement level fertility is reached.