The geographic establishment of Catholicism

The Catholics population varies, though, from region to region. According to the IFOP study on establishment of religions in France, the Catholic Church remains predominant in the East of the country, mostly in Moselle which has a total of 81% of Catholics, the Vosges, Meuse and Haute-Saône. On the other hand, the West of France is diversified. The Catholics have a strong presence in the most rural departments like Manche, Mayenne, Deux-Sèvres, Maine-et-Loire, and Vendée. However, it has a less strong presence in the most western urban departments like Ille-et-Vilaine and Loire Atlantique. Morbihan remains predominantly Catholic and Côtes-d’Amour is being dechristianised while Finistère takes the intermediate position.
The Massif-Central, a region which was traditionally very Catholic (Haute-Loire, Cantal and Lozère), remains Catholic even though the numbers have slightly gone down. The predominantly Catholic zone now goes all the way from the Eastern region to Corrèze. However, Pyrénées-Atlantiques, Aveyron, Rhône-Alpes and other regions which were traditionally Catholic are now just above the national average.
Nord-Pas-de-Calais, the industrial region, remains Catholic. On the other hand, the Catholic presence is clearly below the average in regions such as Limousin, Dordogne, Ariège and Vallée du Rhône.