Romansh language develop. During the 19th century the area where the language was spoken declined, but the Romansh speakers had a literary revival and started a language movement dedicated to halting the decline of the language. In the 2000 Swiss census, 35,095 people (of whom 27,038 live in the canton of Grisons) indicated Romansh as the language of "best command", and 61,815 as a "regularly spoken" language. In 2010, Switzerland switched to a yearly system of assessment that uses a combination of municipal citizen records and a limited number of surveys. Based on this yearly system, the number of people aged 15
Romansh language Sursilvan and Engadinese as the languages of ballots, a referendum was launched to amend the relevant article. In the referendum, which took place on June 10, 2001, 65% voted in favor of naming Rumantsch Grischun the only official Romansh variety of the Canton. Opponents of Rumantsch Grischun such as Renata Coray and Matthias Grünert argue, however, that if only those municipalities with at least 30% Romansh speakers were considered, the referendum would have been rejected by 51%, with an even larger margin if only those with at least 50% Romansh speakers were considered. They thus interpret the results as the