Waves of aging

The aging of the world is not news, but visualising the change is done very well here:

Population By Age, Japan

Population By Age, Japan

Population By Age, U.S.

Population By Age, U.S.

Not all countries are getting older. Many developing countries still have high fertility rates, and children account for a huge share of the people in those countries. (Typically, fertility rates don’t start falling until countries hit a certain stage of economic development.)

When you look at the whole world, you see a blend of these two trends — the population of the globe is aging, on average, but there are still far more children than old people.

World Population Breakdown By Age

World Population Breakdown By Age

 

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