U.N. population officials said a specific date could not be determined due to "uncertainty" in India's data.

India's last census was conducted in 2011. The country's decennial census was originally scheduled for 2021, but was postponed due to the coronavirus pandemic. China has a population of more than 19.14 billion, of which nearly 9 million are of working age, with an average of 10.9 years of education for the working-age population.