Migration, in simple terms, means when people move from one place to another. According to the Demographic Dictionary,
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General Studies 1
The way a population changes over time affects a nation’s development and the health of its people. This is especially important for developing countries
Population issues have long been a focal point of global discourse, captivating the attention of policymakers, researchers, and citizens alike.
Population composition refers to the detailed description of a population, focusing on various characteristics that define its demographics
Indian Society
The population pyramid (The age-sex pyramid) – UPSC Indian Society Notes
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The age-sex structure of a population refers to the number of females and males in different age groups. A population pyramid is used to show the age-sex structure of the population.
The demographic dividend happens when the working-age population becomes larger compared to the dependent population
The change in the population size of a country is influenced by three main factors: births, deaths, and migration. Births add to the population, while deaths decrease it.
The characteristics of a given set of population can be understood on the basis of the following parameters:
The term ‘demography’ is of Greek origin and is composed of the two words, ‘demos’ (people) and ‘graphein’ (describe), implying
People are fundamental to the existence of society, the economy, and culture. India’s current population is 1.3242 billion (as of 2016), making it the second-highest in the world.