The age distribution, , in Region See-Gaster is; 7,257 children or 12.5% of the population are between 0 and 9 years old and 7,776 teenagers or 13.4% are between 10 and 19. Of the adult population, 7,432 people or 12.8% of the population are between 20 and 29 years old. 9,522 people or 16.4% are between 30 and 39, 8,341 people or 14.4% are between 40 and 49, and 7,130 people or 12.3% are between 50 and 59. The senior population distribution is 5,075 people or 8.8% of the population are between 60 and 69 years old, 3,530 people or 6.1% are between 70 and 79, there are 1,536 people or 2.7% who are between 80 and 89,and there are 303 people or 0.5% who are between 90 and 99, and 4 people who are 100 or more.