 3,321 (or about 18.12% of the population) belonged to no church, are agnostic or atheist, and 548 individuals (or about 2.99% of the population) did not answer the question.In Reinach about 8,100 or (44.2%) of the population have completed non-mandatory upper secondary education, and 2,908 or (15.9%) have completed additional higher education (either university or a "Fachhochschule").Of the 2,908 who completed tertiary schooling, 60.7% were Swiss men, 24.7% were Swiss women, 9.0% were non-Swiss men and 5.6% were non-Swiss women.