Christianity in France

[3] In 2016, Ipsos Global Trends, a multi-nation survey held by Ipsos and based on approximately 1,000 interviews, found that Christianity is the religion of 45% of the working-age, internet connected population of France; 42% stated they were Catholic, 2% stated that they were Protestants, and 1% declared to belong to any Orthodox church.

[4] In 2015 the Eurobarometer, a survey funded by the European Union, found that Christianity was the religion of 54.3% of the French, with Catholicism being the main denomination with 47.8%.

With the Migration Period of the Germanic peoples, the Gauls were invaded by the Franks, who at first practised Frankish paganism.

In 800, Pope Leo III crowned Charlemagne as the emperor of the Holy Roman Empire, forming the unified political and religious foundation of Christendom, medieval European Christian civilisation, and establishing in earnest France's long historical association with the Catholic Church, for which it was known as the "eldest daughter of the church" throughout the Middle Ages.

Traditionally, Oriental Orthodox Christians in France are mainly ethnic Armenians, Copts, Ethiopians and Syriacs, but there are also French converts.

[12] Other Christian groups in France include the Jehovah's Witnesses, the Church of Jesus Christ of Latter-day Saints, and other small sects.

The European Court on Human Rights reckoned 249,918 "regular and occasional" Jehovah's Witnesses in France[13] and according to their official website, there are 128,759 publishers in the country.