 Over the last 10 years (1999–2009 ) the population has changed at a rate of -10.9%.It has changed at a rate of -12.9% due to migration and at a rate of 3.5% due to births and deaths.Most of the population () speaks French (195 or 92.0%) as their first language, Italian is the second most common (6 or 2.8%) and Portuguese is the third (6 or 2.8%).