Religions

Catholicism is the most common Religion with over three million followers. 

Protestantism is the second most popular religion with over 2.7 million people following this religion in Switzerland.

Zoroastrianism is not a very common religion worldwide, but there are a a small percent of the people in Switzerland that follow this religion.

Also, many important Jews have lived in Switzerland and still are.  In some big cities there are even have a Jewish community.

Over 150,000 people in Switzerland are Islamic.   Most of them live in Lake Geneva.

Buddhism and Hinduism aren't very popular religions in Switzerland.  Together, only about 0.5% of the population of Switzerland believe in these.