 Of the population in the municipality, 43 or about 40.6% were born in Mex and lived there in 2000.There were 12 or 11.3% who were born in the same canton, while 25 or 23.6% were born somewhere else in Switzerland, and 16 or 15.1% were born outside of Switzerland., children and teenagers (0–19 years old) make up 34.9% of the population, while adults (20–64 years old) make up 52.8% and seniors (over 64 years old) make up 12.3%.