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WOLFRAM|DEMONSTRATIONS PROJECT

Projected Rates of World Population Increase

filling
year 2000-2014
carrying capacity (billions)
10
start population (billions)
6
birth rate (per 1000)
5
death rate (per 1000)
5
2000
2004
2008
2012
reset
birth rate
death rate
rate of naturalincrease
The natural rate of increase of a population is found by subtracting the death rate per 1000 people from the birth rate per 1000 people. Different factors affecting birth and death rates, such as fertility, disease, war, and so on, impact the rate of natural increase of the population. You can see the rate of natural increase in the top graph. In the bottom graph, you can choose a different starting year to simulate how the world's population would be affected in the following three years if conditions were to stay constant.
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