There is no universal number for how much retirement income is enough, but a few simple frameworks can help.
The 70-80% rule of thumb
A common starting point is aiming to replace 70-80% of your pre-retirement income.
Build from your actual expenses
Total your expected monthly costs in retirement and compare that to your expected income from Social Security, pensions, and savings withdrawals.
Healthcare is often the most underestimated line item, so budget generously there.