 The total Swiss population change in 2008 (from all sources, including moves across municipal borders) was a decrease of 7 and the non-Swiss population decreased by 9 people.This represents a population growth rate of -0.9%.The age distribution, , in Niederdorf is; 114 children or 6.3% of the population are between 0 and 6 years old and 303 teenagers or 16.8% are between 7 and 19.