How can you calculate human population growth?
1 Answer
May 31, 2017
Population growth is exponential. But there is an upper limit.
Explanation:
Your final population (P), your original (at starting population) population (
Exponential population growth is expresed.
where r is population growth rate coefficient.
For instance, population in 2000 was 6 billion
population in 2017 is 7.4 billion (you can visit census.gov to see this figure). There are 17 years between 2000 and 2017.
Now r is
This is 17 years period population growth rate constant.
Some scientists argue that 10.5 billion is carrying capacity (of this planet). However, some nations push this limit by harming biosphere.