sentences:  Of the population in the municipality, 1,729 or about 75.0% were born in St. Niklaus and lived there in 2000.There were 336 or 14.6% who were born in the same canton, while 103 or 4.5% were born somewhere else in Switzerland, and 125 or 5.4% were born outside of Switzerland., children and teenagers (0–19 years old) make up 26% of the population, while adults (20–64 years old) make up 58.6% and seniors (over 64 years old) make up 15.4%.