India ranks among the most populous countries globally. Several states are highly populated. The census gathers population-related data, such as birth rates, death rates, total population, and the population growth rate of the country. A c ensus is conducted in India every 10 years. The recent census in India took place in 2011. The next census was scheduled for 2021, but due to the global COVID-19 pandemic in 2020, it was impossible to carry it out.
According to the 2011 census data, Uttar Pradesh is the top 10 most populous states in India. Uttar Pradesh’s total population is 199.8 million. West Bengal ranks fourth.
North 24 Parganas is the most populous among all the districts in West Bengal. It has a total population of 10,009,781. However, South Dinajpur is the lowest-population district in West Bengal. South Dinajpur’s total population is 1,676,276. Thane district in Maharashtra ranks first among India's most populous districts, followed by North 24 Parganas in second place.