Question
Define birth rate, death rate and fertility rate.
Solution
(i) Birth or Natality rate. It is generally expressed as number of births per 1,000 individuals of a population per year.
(ii) Death or Mortality rate. It is opposite of natality rate. It is commonly expressed as the number of deaths per 1,000 individuals of a population per year.
(iii) Fertility Rate. It is the number of live births per unit time per unit number of fertile females.
