Although the U.S. Centers for Disease Control hails water fluoridation as one of the “top ten public health achievements of the twentieth century,” most of the western world, including the vast majority of western Europe, does not fluoridate its water supply.
At present, 98% of the western European population drinks non-fluoridated water. Includes: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Italy, Luxembourg, Netherlands, Northern Ireland, Norway, Portugal, Scotland, Sweden, Switzerland, and approximately 90% of both the United Kingdom and Spain. 
Check out their Official opinion of Fluoridation:

http://topinfopost.com/2014/02/13/98-per-cent-of-europe-banned-water-fluoridation