As per a demographic analysis by Pew research centre, nearly one in every three people in the world is a Christian. Around 31 per cent of the world's population follows Christianity. Nearly one in every four people in the world is a Muslim, accounting for 24 per cent of the world's population. Followed by Hinduism (15 per cent), Buddhism (6.9 per cent), Folk religion (5.7 per cent), other religions (0.8 per cent). Only 0.2 per cent of the world's population follows Judaism. As per the same report, 16 per cent of the world population is not affiliated to any religion.