We’re headed further and further into a paperless currency world in the near future, but bills still have a role right now. Below is a list of the average lifespan for a number of denominations, which don’t last long. It’s taken from an Atlantic article, The Destruction of Money.
- $1 bills: 3.7 years
- $5 bills: 3.4 years
- $10 bills: 3.4 years
- $20 bills: 5.1 years
- $50 bills: 12.6 years
- $100 bills: 8.9 years