Based on formal religious identity, China is the least religious country in the world – with just 10% of Chinese adults self-identifying with a religion.
In the coming decades, the Muslim share of Europe’s population is expected to grow – and could more than double. Read five facts about the Muslim population in Europe.
Senior research staff answer questions from readers relating to all the areas covered by our seven projects, ranging from polling techniques and findings, to media, technology, religious, demographic and global attitudes trends.