 Over the last 10 years (1999–2009 ) the population has changed at a rate of 0.9%.It has changed at a rate of -7.1% due to migration and at a rate of 6.3% due to births and deaths.Most of the population () speaks German (1,185 or 82.8%) as their first language, French is the second most common (67 or 4.7%) and Portuguese is the third (53 or 3.7%).