Of the many differences between the West and the rest of the world the issue of religiosity is one of the most striking. In the West ever fewer people belong to a religion – the number for the UK is now around 50% - and in the US around a third of people are religiously unaffiliated. But elsewhere in the world religions are growing – and in the world as a whole nearly 90% of people are religious. Robin Dunbar – Professor of Evolutionary Biology at Oxford University has been thinking about the reason for religion’s appeal for his book How Religion Evolved and Why it Endures (Oxford UP, 2022).Owen Bennett-Jones is a freelance journalist and writer. A former BBC correspondent and presenter he has been a resident foreign correspondent in Bucharest, Geneva, Islamabad, Hanoi and Beirut. He is recently wrote a history of the Bhutto dynasty which was published by Yale University Press. Learn more about your ad choices. Visit megaphone.fm/adchoicesSupport our show by becoming a premium member! https://newbooksnetwork.supportingcast.fm/big-ideas