Answer in Brief:

Define

a) Birth rate

b) Death rate

c) Population Density

(a) The birth rate is the total number of live births in the country in a particular period of time for every 1000 women. It determines the increase or decrease in population in the country. Many important factors determine the birth rate in a particular area. In most developed countries, the birth rate would be less compared to the underdeveloped and developing economies. When the birth rate is high, the population growth rate will also tend to be high.

(b) The death rate is the number of deaths per 1000 live births. It determines the increase or decrease in population in the country. Many important factors determine the death rate in a particular area. In most developed counties, the death rate would be less compared to the underdeveloped and developing economies because of the improvement in medical science and other facilities. When the death rate is low, the population growth rate will also tend to be high.

(c) Population density is the measurement of population per unit area or per square kilometre is known as population density. National Capital Region, Delhi is the most densely populated area in the country with a density of 11320. Among states, Bihar is the densely populated state in India with a density of 1106. This data is according to the 2011 census. Availability of water resources, climate, topography, economic, social and other political factors determine the population density in the country.