Demography

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Demography is the systematic study of population, including its size, composition, distribution, and changes due to birth, death, and migration. It comes from the Greek words 'Demos' (people) and 'Gra…

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Demographic data helps governments plan for education, healthcare, employment, and infrastructure. For instance, knowing the working-age population helps in creating job opportunities, while infant mo…

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India's total population was 1210 million (1.21 billion) as per the 2011 census, making it the second most populous country in the world after China.

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Decadal growth rate is the percentage increase in population over a 10-year period. For example, between 2001 and 2011, India’s population grew from 1028 million to 1210 million, resulting in a decada…

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1921 is called a dividing year because before this, population growth was unstable due to high death rates from famines and epidemics. After 1921, death rates began to decline steadily due to better m…

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Birth rate is the number of live births per 1000 people in a year. In India, the birth rate during 2001–2011 was 21.8 per 1000 population.

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Death rate is the number of deaths per 1000 people in a year. In India, the death rate during 2001–2011 was 7.1 per 1000 population.

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Infant Mortality Rate (IMR) is the number of deaths of children under one year of age per 1000 live births. India’s IMR dropped to 47 in 2010–11 from 218 in the mid-20th century due to better healthca…