outside of Switzerland. , children and teenagers (0–19 years old) make up 21.6% of the population, while adults (20–64 years old) make up 59.3% and seniors (over 64 years old) make up 19.0%. , there were 4,033 people who were single and never married in the municipality. There were 4,082 married individuals, 690 widows or widowers and 343 individuals who are divorced. , there were 1,228 households that consist of only one person and 280 households with five or more people. , a total of 3,369 apartments (88.8% of the total) were permanently occupied, while 290 apartments (7.6%) were seasonally occupied and 137 apartments (3.6%) were empty. , the construction rate of new housing units was 4.2 new units per 1000 residents. The vacancy rate for the municipality, , was 0.2%. In 2011, single family homes made up 36.9% of the total housing in the municipality. The historical population is given in the following chart: Heritage sites of national significance The farm house Dürsrüti, the Chüechli House and the Swiss Reformed church are listed as Swiss heritage site of national significance. The entire urbanized village of Langnau im Emmental is part of the Inventory of Swiss Heritage Sites. Culture The Regional Museum is housed in the oldest house in Langnau, which was built before 1600. Among the cultural events in Langnau are the Langnau Jazz Nights and the International Cartoon Festival. Langnau has also got its Markets six times in a year. Politics In the 2011 federal election the most popular party was the Swiss People's Party (SVP) which received 31.0% of the vote. The next three most popular parties were the Social Democratic Party (SP) (19.9%), the Conservative Democratic Party (BDP) (16.0%) and the Green Party (9.5%). In the federal election, a total of 3,502 votes were cast, and the voter turnout was 49.1%. Economy The economy of Langnau is broad-based, including manufacturing, trade, tourism, and agriculture, particularly dairy farming. The commercial sector is characterized by agriculture and forestry, wood-processing companies, a factory for fresh, processed and fondue cheese production, a meat processing center with a modern slaughterhouse, as well as small and medium-sized industrial enterprises. , Langnau im Emmental had an unemployment rate of 1.72%. , there were a total of 5,881 people employed in the municipality. Of these, there were 561 people employed in the primary economic sector and about 181 businesses involved in this sector. 1,525