, the population was 49.1% male and 50.9% female. The population was made up of 1,359 Swiss men (41.8% of the population) and 238 (7.3%) non-Swiss men. There were 1,457 Swiss women (44.8%) and 19 (0.6%) non-Swiss women. Of the population in the municipality, 999 or about 32.5% were born in Büren an der Aare and lived there in 2000. There were 986 or 32.0% who were born in the same canton, while 553 or 18.0% were born somewhere else in Switzerland, and 374 or 12.2% were born outside of Switzerland.