Toilets typically last 25 to 50 years with proper care. The porcelain bowl and tank rarely fail but internal components like flappers fill valves and wax rings need periodic replacement. Signs it’s time for a new toilet include frequent repairs visible cracks persistent clogs and high water usage. Modern toilets use 1.28 gallons per flush compared to older models using 3 to 7 gallons. Upgrading saves water and money on utility bills.