 The age distribution of the population () is children and teenagers (0–19 years old) make up 28.1% of the population, while adults (20–64 years old) make up 60.2% and seniors (over 64 years old) make up 11.7%.In Wil about 82% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either university or a "Fachhochschule").Wil has an unemployment rate of 1.57%.