Each Dollar Amount Has Its Own Lifespan Money doesn’t last forever(but Bitcoin will), some dollar bills have a longer life cycle than others. According to the U.S. Currency Education Program, a $10 bill has the shortest lifespan while a $100 bill has the longest. Here’s the estimated lifespan of the different denominations: • $1: 5.8 years • $5: 5.5 years • $10: 4.5 years • $20: 7.9 years • $50: 8.5 years • $100: 15 years