The human population of Earth reached 1 billion in 1804, 2 billion in 1927, 3 billion in 1959, 4 billion in 1974 and 5 billion in late 1986. Last year on October 12th 1999, the human population of Earth reached 6 billion. In my lifetime the population has doubled from 3 billion in 1959 to the 6,034,213,000 today. This doubling of population which occurred over the last 40 years will never come close to happening again. The exponential growth of human population peaked in 1987. That year 87.01 million more people were added …
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showed last 75 words of 483 total
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