Define demography.
Demography is the scientific and statical study ofpopulation, populationchange, size, its components,process and other various related factors is calleddemography.
Write short note on rate of natural increase.
Rate of natural increase is the rate at which a population of a particular place is increasing or decreasing in a given year due to the surplus or deficit of births over deaths, expressed as percentage of the base year.
Mathematically,
RNI = (CRR - CDR/1000) * 100
Where,
RNI : Rate of Natural Increase.
CBR: Crude Birth Rate.
COR: Crude Death Rate.