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French is the only official—and by far the most common—language in Monaco, a result of the role France has had over the microstate, since the annexation of Nice and the Nizzardo (the territory surrounding Monaco), then culturally and ethnically Italian, as part of the Kingdom of Piedmont-Sardinia.
Monégasque is the national language of the Monegasque people (who represent only 21.6% of the total population, but growing from 19.0% in 2000). It is a dialect of Ligurian, and is somewhat similar to Italian.
Because the Monégasques are only a minority in Monaco, their tongue was threatened with extinction in the 1970s. However, the language is now being taught in schools, and its continuance is regarded as secured. In the old part of Monaco, the street signs are marked with Monégasque in addition to French.
There is also an Anglophone community in Monaco (8.5% of which are from the United Kingdom or the United States, with English-speakers from other nations as too insignificant and thus listed within the category of "other," below), in addition to English-speaking tourists visiting the city.
Belgian, Swiss, and German nationals are approximately 2.5% each of the overall population, and "other" constitute a further 15%. Some 125 nationalities make up the population of Monaco.