 Of the population in the municipality 447 or about 67.8% were born in Liddes and lived there in 2000.There were 99 or 15.0% who were born in the same canton, while 59 or 9.0% were born somewhere else in Switzerland, and 33 or 5.0% were born outside of Switzerland.The age distribution of the population () is children and teenagers (0–19 years old) make up 26.9% of the population, while adults (20–64 years old) make up 53.9% and seniors (over 64 years old) make up 19.3%.