It’s getting crowded in right here.
Final month, the worldwide inhabitants reached 8 billion for the primary time, in line with the United Nations. Whereas the variety of people on the planet is predicted to continue to grow — peaking at round 10.4 billion by the top of the century — its demographic profile is altering. Fertility charges are step by step lowering and a number of other international locations — most of them in Europe and Southeast Asia — will expertise inhabitants declines within the subsequent 30 years.
Thanks to higher well being care and bettering financial circumstances, folks throughout the planet now reside longer and more healthy lives, although important regional inequalities nonetheless exist.
Larger life expectancy, mixed with decrease fertility charges, additionally signifies that the world’s inhabitants is getting old. The old-age dependency ratio — the variety of folks over 65 as a share of the working-age inhabitants — is projected to double within the subsequent 30 years. This implies the working-age inhabitants might want to maintain a rising variety of retired folks — an enormous problem for social safety, pension and well being care methods.
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