 255 (or about 10.48% of the population) belonged to no church, are agnostic or atheist, and 70 individuals (or about 2.88% of the population) did not answer the question.In Zunzgen about 1,023 or (42.0%) of the population have completed non-mandatory upper secondary education, and 241 or (9.9%) have completed additional higher education (either university or a "Fachhochschule").Of the 241 who completed tertiary schooling, 62.7% were Swiss men, 24.5% were Swiss women, 7.9% were non-Swiss men and 5.0% were non-Swiss women.