Claim: The populations of Vrin (located in one of eleven administration districts) mainly decreases between 1850 and 2000
Evidence: 1850 466 1900 366 1950 441 1960 393 1970 333 1980 266 1990 251 2000 249 
It belonged to the circle of Lugnez/Lumnezia in the district of Surselva in the canton of Graubünden in Switzerland.