Current Population Of South Korea 2024 By Religion. About 85% of the world's people identify with a religion. Of the south korean population, 22.8% are buddhist, 29.2% are christians (18.3% are protestants and 10.9% are catholics), and the rest adheres to various minority religions.

Seoul has grown by 16,750 in the last year, which represents a 0.17% annual. The population is predicted to continue rising for a few more years.