3.  Catholics are 75% of population in Spain, but it’s interesting that 20% can sometimes be seen categorized as Catholic,even though they have never attended a church service,but they still claim themselves as Catholic.

4.  In the nineteenth century immigration aided in increasing the number of Muslims in Spain. Today, Muslims comprise 3% of the total Spanish population.

5.  It’s a small religious group conteins two types of christians. It is only 1% of Spanish population.

6.  As in many countries atheists are quite big part of people who live in Spain. 20% is as much as practicing catholics.