when was the first census done in india
1871 Census of India The 1872 Census of India was the first comprehensive census of India, then a component of the British Empire. The census has been held every ten years following, with the fifteenth national census held in 2011. This census was preceded by the British decennial census of 1801 and decades of regional surveys in India.[1][2]
Demographics of India India is the second most populated country in the world with nearly a fifth of the world's population. According to the 2017 revision of the World Population Prospects[1], the population stood at 1,324,171,354.