The map above, produced by the Bank of America, shows in bright pink the sections of the world where more than 20% of the population are over 65. In 2010 only Italy, Germany and Japan are shaded bright pink. But, as you can see, the pink sections of the map grow dramatically by 2100 to include much of the world.
The number of people over the age of 60 is expected to double from 841 million in 2013, to over 2 billion by 2050, according to UN figures. Unfortunately this is accompanied by falling global birth rates to below even replacement level in many countries. Incredibly, the number of people over the age of 60 is set to exceed the number of children for the first time, by 2047.
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