Cishe i-10% labantu emhlabeni wonke, okusho ukuthi abantu abayizigidi ezingama-650, banokukhubazeka.Ucwaningo lukhomba ukuthi, kulaba, u-10% udinga isihlalo esinamasondo.Ngokusho kweWorld Population Prospects 2019 (United Nations, 2019), ngonyaka ka-2050, umuntu oyedwa kwabayi-6 emhlabeni, uzobe eseneminyaka engaphezu kwengama-65, esuka koyedwa kwabayi-6...
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