 The population was made up of 151 Swiss citizens (93.2% of the population), and 11 non-Swiss residents (6.8%) Of the population in the municipality 35 or about 23.2% were born in Liedertswil and lived there in 2000.There were 38 or 25.2% who were born in the same canton, while 60 or 39.7% were born somewhere else in Switzerland, and 8 or 5.3% were born outside of Switzerland.In , the total Swiss population change in 2008 (from all sources, including moves across municipal borders) was an increase of 1 and the non-Swiss population decreased by 1 people.