The age distribution, , in Wängi is; 427 children or 10.5% of the population are between 0 and 9 years old and 589 teenagers or 14.5% are between 10 and 19. Of the adult population, 478 people or 11.8% of the population are between 20 and 29 years old. 469 people or 11.5% are between 30 and 39, 746 people or 18.3% are between 40 and 49, and 551 people or 13.5% are between 50 and 59. The senior population distribution is 404 people or 9.9% of the population are between 60 and 69 years old, 255 people or 6.3% are between 70 and 79, there are 131 people or 3.2% who are between 80 and 89, and there are 17 people or 0.4% who are 90 and older.