The survey by WIN/Gallup International involved speaking face-to-face, on the telephone or online with nearly 64,000 people in 65 countries. In the map above, readers can click on each country and find out the results of the survey for each nation.
The most religious country was Thailand where 94 per cent of respondents said they were a religious person. Only one per cent said they were a convinced atheist.
Canada (See pic above) is a majority non-religious state.