49.8% of the residents worked outside Birwinken while 69 people commuted into the municipality for work. There were a total of 497 jobs (of at least 6 hours per week) in the municipality. Of the working population, 4.4% used public transportation to get to work, and 52% used a private car. Religion From the , 246 or 20.2% were Roman Catholic, while 694 or 57.1% belonged to the Swiss Reformed Church. Of the rest of the population, there is 1 individual who belongs to the Orthodox Church, and there are 85 individuals (or about 6.99% of the population) who belong to another Christian church. There were 19 (or about 1.56% of the population) who are Islamic. 105 (or about 8.63% of the population) belong to no church, are agnostic or atheist, and 66 individuals (or about 5.43% of the population) did not answer the question. Education The entire Swiss population is generally well educated. In Birwinken about 74.5% of the population (between age 25–64) have completed either non-mandatory upper secondary education or additional higher education (either University or a Fachhochschule). Birwinken is home to the Berg-Birwinken primary and secondary school district. In the 2008/2009 school year there were 471 students at either the primary or secondary levels. There were 102 children in the kindergarten, and the average class size was 20.4 kindergartners. Of the children in kindergarten, 55 or 53.9% were female, 11 or 10.8% were not Swiss citizens and 6 or 5.9% did not speak German natively. The lower and upper primary levels begin at about age 5-6 and last for 6 years. There were 160 children in who were at the lower primary level and 152 children in the upper primary level. The average class size in the primary school was 21.29 students. At the lower primary level, there were 77 children or 48.1% of the total population who were female, 15 or 9.4% were not Swiss citizens and 10 or 6.3% did not speak German natively. In the upper primary level, there were 71 or 46.7% who were female, 13 or 8.6% were not Swiss citizens and 5 or 3.3% did not speak German natively. At the secondary level, students are divided according to performance. The secondary level begins at about age 12 and usually lasts 3 years. There were 102 teenagers who were in the advanced school, of which 55 or 53.9% were female, 3 or