The 4% Rule: Your Starting Framework
The 4% rule states that you can safely withdraw 4% of your portfolio value in year one of retirement, then adjust for inflation annually, with a high probability of not outliving your money over a 30-year retirement. This produces the savings target formula: Annual retirement spending divided by 0.04 equals retirement savings needed. If you need $60,000 per year: $60,000 divided by 0.04 equals $1,500,000. This is the 25x rule: you need 25 times your annual retirement spending in savings.
Retirement savings targets adjusted for average Social Security benefit (2025)
| Annual Retirement Spending | 4% Rule Target (25x) | Avg Social Security ($1,900/mo single) | Remaining Portfolio Needed |
|---|---|---|---|
| $40,000 | $1,000,000 | $22,800/yr | $431,000 |
| $60,000 | $1,500,000 | $22,800/yr | $931,000 |
| $80,000 | $2,000,000 | $22,800/yr | $1,431,000 |
| $100,000 | $2,500,000 | $22,800/yr | $1,931,000 |
| $50,000 (couple) | $1,250,000 | $45,600/yr couple | $111,000 |
| $80,000 (couple) | $2,000,000 | $45,600/yr couple | $861,000 |
Fidelity estimates a retired couple in 2025 needs $315,000 in savings dedicated to healthcare costs in retirement, not including long-term care. Healthcare inflation historically exceeds general inflation by 1% to 2%. Budget explicitly for healthcare: Medicare premiums, supplemental insurance, out-of-pocket costs, and potential long-term care needs. Add $150,000 to $315,000 to your retirement savings target for healthcare.
Retirement Savings Benchmarks by Age
Fidelity retirement savings benchmarks by age (includes employer contributions)
| Age | Fidelity Benchmark | What It Means in Real Dollars at $80K Income |
|---|---|---|
| 30 | 1x annual salary | $80,000 saved |
| 35 | 2x annual salary | $160,000 saved |
| 40 | 3x annual salary | $240,000 saved |
| 50 | 6x annual salary | $480,000 saved |
| 60 | 8x annual salary | $640,000 saved |
| 67 (retirement) | 10x annual salary | $800,000 saved |
Social Security: Realistic Expectations in 2025
The average Social Security benefit in 2025 is approximately $1,900 per month ($22,800 per year) for an individual. For a median earner of $60,000 per year, the estimated full retirement age benefit is approximately $2,200 to $2,400 per month. Claiming at 62 reduces the benefit by up to 30%. Delaying to 70 increases it by 24% to 32% above the full retirement age amount. Use SSA.gov estimator with your actual earnings record for a personalized projection.
The Safe Withdrawal Rate Debate
The 4% rule was developed in 1994 using U.S. historical returns. Some financial planners now advocate 3.5% to account for lower expected future returns and longer retirements of 40 or more years. A 3.5% rate increases the required savings: $60,000 per year divided by 0.035 equals $1,714,000 rather than $1,500,000. This is more conservative but appropriate for those retiring before 65 or expecting a longer retirement based on family health history.
Key Adjustments to Your Retirement Savings Target
- Social Security offset: reduce target by (estimated SS benefit divided by 0.04)
- Pension income: reduce target similarly to Social Security offset
- Healthcare: add $150,000 to $315,000 to target for medical costs over retirement
- Long-term care: add $100,000 to $250,000 if no long-term care insurance in place
- Early retirement: use 3.5% rule instead of 4% for retirement before age 62
- Part-time income: each $10,000 per year in part-time retirement income reduces required savings by $250,000
- Geographic arbitrage: retiring to a lower-cost area reduces the spending base and therefore the required savings
Average Social Security of $22,800 per year reduces the required retirement portfolio by $570,000 (at the 4% rule). For a couple receiving $45,600 combined, the portfolio requirement drops by $1,140,000. This means the target for a couple spending $80,000 per year drops from $2,000,000 to approximately $861,000. Social Security is the single largest modifier of required retirement savings and is frequently undervalued in retirement planning.
Model Your Retirement Savings Growth
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