This research classifies different countries according to their official religion and then reviews and analyzes them with regard to different variables, including the level of happiness, the importance of religion, the attitude of the citizens about the level of democracy in their countries and national pride. The data is extracted from the World Values ​​Surveys (2005-2009), which are carried out by Ingelhart. In this secondary analysis, the level of happiness, the importance of religion, democracy and national pride are studied in each class, and then, the correlation between these variables is examined. The results show that the highest level of happiness can be observed among the Protestants of Americas and Australian Christians. Shiites and North African Muslims attach most importance to their religious beliefs.  In general, Muslims attach more importance to their religious beliefs than Christians. All classes have high scores in national pride, and in total national pride among Muslims is 3 percent higher than the Christians. The European Protestants, more than other people, believe that they are living in a country with high level of Democracy. Asian Christians (Russia) have the lowest rate in this regard.  The findings show that in all examined regions, the correlation between the level of happiness and the importance attached to religion is significant. The same holds true about the relationship between national pride and importance attached to religion. About The correlation between democracy and the level of happiness, the findings suggest that this relationship is stronger in Christian countries than in Muslim countries.