Total Population Of World In 2024 By Religion. Estimated religious composition of 198 countries and territories for 2010 to 2050 235 rows china is currently the most populous country in the world, with a population estimated at more than 1.42 billion as of september 2022.
Christianity remains the world’s largest religion in 2024, with almost 2.4 billion adherents. Population researchers predict that islam will nearly catch up to christianity by 2050,.