Moreover, Africa has the world’s fastest-growing population – and the youngest, with more than half under 20 years old, compared to 28% in China. The United Nations estimates that the continent will account for more than 40% of global population growth through 2030, with the working-age population expected to surpass that of China by 2040.
此外，非洲拥有世界上增长最快——也最年轻——的人口，非洲20岁以下人口占总人口的比例超过一半，而中国在这方面的比例为28%。联合国预计从今日到2030年之间非洲的新增人口占全球总新增人口的比例将超过40%，而适龄劳动人口的数量将在2040年超过中国。