Les Enfers is a municipality in the district of Franches-Montagnes in the canton of Jura in Switzerland.

It consists of the village of Les Enfers and the hamlet of Cerniévillers.

[6] The municipal coat of arms is canting for the French word for Hell.

[10] Most of the population (as of 2000[update]) speaks French (110 or 84.6%) as their first language, German is the second most common (18 or 13.8%) and English is the third (1 or 0.8%).

[12] Of the population in the municipality, 49 or about 37.7% were born in Les Enfers and lived there in 2000.

[10] The historical population is given in the following chart:[3][14] In the 2007 federal election the most popular party was the SPS which received 29.81% of the vote.

In the federal election, a total of 53 votes were cast, and the voter turnout was 48.2%.

[10] There were 63 residents of the municipality who were employed in some capacity, of which females made up 41.3% of the workforce.

In 2008[update] the total number of full-time equivalent jobs was 30.

In the tertiary sector; 5 were in wholesale or retail sales or the repair of motor vehicles, 1 was in the movement and storage of goods and 1 was in a hotel or restaurant.

[10] From the 2000 census[update], 95 or 73.1% were Roman Catholic, while 3 or 2.3% belonged to the Swiss Reformed Church.

This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude.