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Global Water and Population
1.
2. Global Population Growth
• Currently 7.4 Billion Peoplein the World
• 8000 BC It was estimated there were 5 Million People
• It took 9500 years for the population to get to 500 million
(from 8000 BC to 1500 AD to multiply by 10)
• Between 1600 and 1856 world population doubled (1biIlion in
200 years)
• From 1856 -1930 population doubled again (2 billion in 80
years)
• From 1930 - 1975 population doubled again (4 billion in 45
years)
• From 1975- Present we have almost doubled again