The age distribution, , in Villars-Tiercelin is; 60 children or 14.9% of the population are between 0 and 9 years old and 56 teenagers or 13.9% are between 10 and 19. Of the adult population, 28 people or 6.9% of the population are between 20 and 29 years old. 57 people or 14.1% are between 30 and 39, 68 people or 16.9% are between 40 and 49, and 47 people or 11.7% are between 50 and 59. The senior population distribution is 58 people or 14.4% of the population are between 60 and 69 years old, 18 people or 4.5% are between 70 and 79, there are 9 people or 2.2% who are between 80 and 89, and there are 2 people or 0.5% who are 90 and older.