Number of foreign languages known (self-reported) by degree of urbanisation - total - 1 language reached 20.9% in 2011 in Switzerland, according to . This is 0% more than in the previous year.
Historically, Number of foreign languages known (self-reported) by degree of urbanisation - Total - 1 language in Switzerland reached an all time high of 20.9% in 2011 and an all time low of 20.9% in 2011.
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