Population Forecasting | Decrease Rate of Growth Method | Civil Engineering

Population Forecasting technique is used to find the probable population of a city in the future.
Population forecasting helps in planning the design of any water supply and sanitation system.
The pivotal factors affecting the population are - increase in birth rate, a decrease in death rate, and changes due to migration of people.
This video explains the procedure of forecasting population by using the Decrease Rate of Growth Method.
Arithmetic Increase Method
• Population Forecasting...
Geometrical Increase Method
• Population Forecasting...
Incremental Increase Method
• Population Forecasting...

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What if it was ask for year 2055?

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Pn = Po + Po(r-nr' / 100)
n= no. Of decade.

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Human population growth