1.08%. , there were 40 people employed in the primary economic sector and about 19 businesses involved in this sector. 33 people are employed in the secondary sector and there are 7 businesses in this sector. 49 people are employed in the tertiary sector, with 15 businesses in this sector. The historical population is given in the following table: Population increase during railway construction. Languages Most of the population () speaks Rhaeto-Romance (73.8%), with German being second most common (20.2%) and Italian being third ( 3.0%). The majority of the population speak the Vallader dialect of Romansh. Romansh is taught in the village school and spoken in the municipality. Until 1900 the municipality was nearly Romansh only (1880 94%, 1900 94%). The majority dropped throughout the 20th Century (1941 84%, 1980 83%). The modern situation with languages is given in the following table: Heritage sites of national significance The Chasté (a prehistoric site, a medieval fortress and a church) and the Doppelwohnhaus (Double-house) with barn are listed as Swiss heritage sites of national significance. The Chastè site includes settlements from the late Bronze Age (Melauner culture) into the early Iron Age (Fritzens-Sanzeno culture) as well as some finds from the Roman Empire. Photo gallery Ruina chanoua at Ardez References External links Official website Pictures of Ardez Scuol Former municipalities of Graubünden Cultural property of national significance in Graubünden Populated places disestablished in 2015