They're Christians, being Catholic and Protestants.
The biggest religious group in Germany is the Christians, which make up about 60% of the population. The second largest is Islam, coming in at about 4%. (These numbers are from 2008, and may have changed slightly since then.) The Christians are divided in half between Roman Catholics and protestants, so about 30% each. The largest protestant church in Germany is the Evangelical Church of Germany, or the "Evangelische Kirche in Deutchland".
The main religions in Germany are Christianity, Judaism, Romani, & in more recent times, Islam.
The two religions are the two predominant religions today: Catholicism and Protestantism.
The two main religions of India are Hinduism and Sikhism.
Islam and Christianity are the two main religions in Libya
The two main religions of the Vietnamese are Buddhism and Roman Catholicism.
I'd have to say Christianity for certain and with the rise of Islam, then Islam is number two.
buddism,daoism.
In the south of Germany especially in Bavaria, Roman Catholic is the main religion. In the north, generally people are Lutheran.
protestants and the roman cathlics
Catholic and all others.
Buddhism and Hinduism.
The two main religions in Serbia are Orthdox Christianity around 80% of Serbian population, other 2 main religions are Islam and Catholic Christianity.