In 1957, when Ghana became the first African country to win its independence, there were 6.05m Ghanaians and some 200m people living in sub-Saharan Africa. Today Ghana’s population has more than quadrupled to 29m and sub-Saharan Africa’s has nearly quintupled to 1bn. This is just the start. Africa is on the verge of an unprecedented population explosion.
1957年，當加納成為第一個贏得獨立的非洲國家時，該國人口605萬，總共大約有2億人生活在撒哈拉以南非洲。如今，加納人口已經增長逾3倍，至2900萬，而生活在撒哈拉以南非洲的總人口增長近4倍，達10億人。這只是開始。非洲正站在空前人口爆炸式增長的門檻上。
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