联合国报告：2050年世界人口将达98亿，6年后印度人口将赶超中国

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The United Nations said that the world population is expected to reach 8.6 billion in 2030, and to hit 9.8 billion by 2050.
The lower fertility rates are resulting in an ageing population. The number of people aged 60 or over is expected to more than double by 2050 and triple by 2100, from the current 962 million to 3.1 billion.
The population of India, which currently ranks as the second most populous country with 1.3 billion people, will surpass China’s 1.4 billion people by 2024, the report predicted. By 2050, the third most populous country will be Nigeria, which currently ranks seventh.

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