Tata ki te 10% o te taupori o te ao, ara, tata ki te 650 miriona taangata, he haua.E ai ki nga rangahau, o enei, 10% e hiahia ana ki te tuuru wīra.E ai ki a World Population Prospects 2019 (United Nations, 2019), hei te tau 2050, 1 i roto i te 6 tangata o te ao, ka eke ki runga ake i te 65 tau, ka piki ake i te 1 i...
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