, the gender distribution of the population was 50.9% male and 49.1% female. The population was made up of 166 Swiss men (49.1% of the population) and 6 (1.8%) non-Swiss men. There were 163 Swiss women (48.2%) and 3 (0.9%) non-Swiss women. Of the population in the municipality 136 or about 36.7% were born in Lüterswil-Gächliwil and lived there in 2000. There were 80 or 21.6% who were born in the same canton, while 126 or 34.0% were born somewhere else in Switzerland, and 13 or 3.5% were born outside of Switzerland.