Per the U.S. Mint, the life span of a coin is 30 years: "A coin’s typical lifespan is 30 years. See https://www.gao.gov/assets/gao-19-300.pdf, page 6."

Per the U.S. Mint, the life span of a coin is 30 years: "A coin’s typical lifespan is 30 years. See https://www.gao.gov/assets/gao-19-300.pdf, page 6." For paper money, depending on denomination, 5.7 to 24 years. (https://www.federalreserve.gov/faqs/how-long-is-the-life-span-of-us-paper-money.htm https://www.federalreserve.gov/faqs/how-long-is-the-life-spa...)