 In the 2007 federal election the most popular party was the SVP which received 40.9% of the vote.The next three most popular parties were the CVP (20.1%), the SP (13%) and the FDP (11.1%).In Sisseln about 74.1% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule").