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![World population - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_48.jpeg)
World population - Wikipedia, the free encyclopedia
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日期:2024-08-31
It is estimated that the world population reached one billion for the first time in 1804. It was another 123 years before it reached two billion in 1927, but it took only 33 years to reach three billion in 1960. Thereafter, the global population reached f...看更多