A village with his record that having population growth of 5% annually has population 18522 at the end of the year 2013 the population of the village at the meaning of 2011
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S = Population at the end of the year 2013 = 18522
i = Annual growth rate = 5%
n = Duration = 2 years (2011-12 ; 2012-13)
R= population at the beginning
S = R(1+i)^n
18522 = R( 1 + 5/100)^2
18522 = R( 1 + 0.05)^2
18522 = R(1.05)^2
18522 = R(1.1025)
18522/1.1025 = R
16800 = R = Population at the beginning of 2011
i = Annual growth rate = 5%
n = Duration = 2 years (2011-12 ; 2012-13)
R= population at the beginning
S = R(1+i)^n
18522 = R( 1 + 5/100)^2
18522 = R( 1 + 0.05)^2
18522 = R(1.05)^2
18522 = R(1.1025)
18522/1.1025 = R
16800 = R = Population at the beginning of 2011
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