The population of Luven, one of the municipalities in Switzerland which merged to form the municipality Glion in the Swiss canton in 2014, decreased from 297 in the year 1850 to 183 in the year 2000.
Luven (formerly known as Luvis) is a former municipality in the district of Surselva in the Swiss canton of Graubunden. Switzerland On 1 January 2014 the former municipalities of Luven, Castrisch, Ilanz, Ladir, Pitasch, Riein, Ruschein, Schnaus, Sevgein, Duvin, Pigniu, Rueun and Siat merged into the new municipality of Ilanz/Glion. 1850 297 2000 183 
