By the year 2020, 7.7 billion. By 2030, 8.3 billion. By 2040, 8.9 billion. By 2050, 9.3 billion.
7 Billion
A Wayfaring Wanderer's Nomadic Journey Around The World
By the year 2020, 7.7 billion. By 2030, 8.3 billion. By 2040, 8.9 billion. By 2050, 9.3 billion.
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