Niederbuchsiten is a municipality in the district of Gäu in the canton of Solothurn in Switzerland.

[3] Niederbuchsiten has an area, as of 2009[update], of 5.48 square kilometers (2.12 sq mi).

Of the rest of the land, 0.5 km2 (0.19 sq mi) or 9.1% is settled (buildings or roads).

The blazon of the municipal coat of arms is Azure on a Book Or bound Gules three Apples of the second.

[8] Most of the population (as of 2000[update]) speaks German (904 or 95.5%), with Turkish being second most common (14 or 1.5%) and Italian being third (6 or 0.6%).

[7] The age distribution, as of 2000[update], in Niederbuchsiten is; 81 children or 8.6% of the population are between 0 and 6 years old and 152 teenagers or 16.1% are between 7 and 19.

[8] The historical population is given in the following chart:[3][13] The entire village of Niederbuchsiten is part of the Inventory of Swiss Heritage Sites.

[14] In the 2007 federal election the most popular party was the SVP which received 34.21% of the vote.

In the federal election, a total of 384 votes were cast, and the voter turnout was 52.4%.

[15] The head office of JURA Elektroapparate AG is located in Niederbuchsiten.

[8] There were 506 residents of the municipality who were employed in some capacity, of which females made up 41.3% of the workforce.

The number of jobs in the secondary sector was 65 of which 39 or (60.0%) were in manufacturing and 26 (40.0%) were in construction.

In the tertiary sector; 357 or 79.5% were in wholesale or retail sales or the repair of motor vehicles, 19 or 4.2% were in the movement and storage of goods, 7 or 1.6% were in a hotel or restaurant, 1 was in the information industry, 2 or 0.4% were the insurance or financial industry, 17 or 3.8% were technical professionals or scientists, 6 or 1.3% were in education and 38 or 8.5% were in health care.

[8] From the 2000 census[update], 588 or 62.1% were Roman Catholic, while 152 or 16.1% belonged to the Swiss Reformed Church.

The education system in the Canton of Solothurn allows young children to attend two years of non-obligatory Kindergarten.

All the lower secondary students from Niederbuchsiten attend their school in a neighboring municipality.