Romansh language and above reporting Romansh as their main language was 36,622 in 2012. Spoken by around 0.9% of Switzerland's 7.7 million inhabitants, Romansh is Switzerland's least-used national language in terms of number of speakers and ranks eleventh in terms of most spoken languages in Switzerland overall. The language area and number of speakers of Romansh have been continually shrinking, though language use remains vigorous in certain areas. Romansh is divided into five different regional dialects (Sursilvan, Sutsilvan, Surmiran, Putèr, and Vallader), each with its own standardized written language. In addition, a pan-regional variety called Rumantsch Grischun was introduced in 1982, which
Romansh language their regional variety. The cantonal government aimed to introduce Rumantsch Grischun as the sole language of instruction in Romansh schools by 2020. In early 2011, however, a group of opponents in the Surselva and the Engadine founded the association Pro Idioms, demanding the overturning of the government decision of 2003 and launching numerous local initiatives to return to the regional varieties as the language of instruction. In April 2011, Riein became the first municipality to vote to return to teaching in Sursilvan, followed by an additional 4 in December, and a further 10 in early 2012, including Val Müstair, which