Which countries are the most religious? — Here is a ranking of the importance of religion to the residents of many countries of the world. This is based upon a Gallup survey.
The most religious countries tend to be either poor, Muslim or both. Your country is probably less religious if it is wealthy and European. Gallup just did a survey in 114 countries and found that religion pays an important part of the lives of most people in the world. I have taken their survey and worked with information from the CIA Factbook that I have listed on my “The Types of World Governments” post and came up with the table listed at the bottom of this page.