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World Population Growth

Year Population

1 200 million

1000 275 million

1500 450 million

1650 500 million

1750 700 million

1804 1 billion

1850 1.2 billion

1900 1.6 billion

1927 2 billion

1950 2.55 billion

1955 2.8 billion

1960 3 billion

1965 3.3 billion

1970 3.7 billion

1975 4 billion

1980 4.5 billion

1985 4.85 billion

1990 5.3 billion

1995 5.7 billion

1999 6 billion

2006 6.5 billion

2009 6.8 billion

2011 7 billion

2025 8 billion

2050 9.4 billion

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14y ago

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