On average budgies can live anything from 10 - 15 years. Very occasionally, budgies have been known to live well into their teens.
Whether it be in a home or aviary setting . It depends on the "care/use" of the bird such as intensive breeding, bad nutrition, and lack of maintenance that may shorten its lifespan.
Both pet budgies (also known as American budgies) and Exhibition Budgies (also known as English or Show budgies) have been shown to have the same life expectancy.