What are the types of enterprise age structure?

The age structure of enterprises can be divided into three types: young population, adult population and old population. Employees aged 25-30 are the growing generation, accounting for about 20% of the young population, employees aged 30-45 are the leading generation, accounting for about 40% of the adult population, and employees over 45 are the coaching generation, accounting for about 20% of the elderly population. Therefore, the age structure of enterprises can be divided into three types: young population, adult population and old population.