The age distribution, , in Rivaz is; 40 children or 11.3% of the population are between 0 and 9 years old and 43 teenagers or 12.2% are between 10 and 19. Of the adult population, 28 people or 7.9% of the population are between 20 and 29 years old. 55 people or 15.6% are between 30 and 39, 61 people or 17.3% are between 40 and 49, and 40 people or 11.3% are between 50 and 59. The senior population distribution is 39 people or 11.0% of the population are between 60 and 69 years old, 32 people or 9.1% are between 70 and 79, there are 14 people or 4.0% who are between 80 and 89, and there is 1 person who is 90 and older.