Population Of Religions In The World 2024. Feature | december 21, 2022. Globally, australia is home to 0.87% of the total sikh population.
As of 2023, christianity was by far the world’s largest religion, with an estimated 2.38 billion adherents, nearly a third (31.1%) of all 7.66 billion people on earth. Out of earth’s 7.8 billion inhabitants, it is estimated that about 2.4 billion people believe in christianity.