How Much Retirement Income Do I Need? (2026)
Calculate how much retirement income you actually need. Income replacement ratios, expense breakdown, Social Security offset, and the retirement income gap formula.
How Much Retirement Income Do I Need? A Real-Numbers Guide
The most common retirement question has no universal answer — but it does have a formula. Here's how to calculate your specific number.
The Income Replacement Ratio
Most financial planners use 70–85% of pre-retirement income as a starting point:
- 70% if your home is paid off, kids are independent, and you'll live modestly
- 80% for most retirees maintaining their current lifestyle
- 85-90% if you plan to travel extensively or have ongoing healthcare costs
For a household earning $120,000: That's $84,000–$102,000 per year from all sources.
The Retirement Expense Breakdown
Instead of using a percentage, you can build your number from actual expenses:
Essential Expenses (Non-Negotiable)
- Housing: $1,200–$2,500/month (mortgage/rent, property tax, insurance, maintenance)
- Healthcare: $400–$800/month (Medicare premiums, supplements, prescriptions, dental)
- Food: $400–$700/month
- Transportation: $300–$500/month
- Insurance: $200–$400/month (auto, umbrella, long-term care)
- Utilities: $150–$300/month
Discretionary Expenses (Lifestyle)
- Travel: $200–$1,000/month (averaged)
- Entertainment: $200–$500/month
- Dining out: $200–$400/month
- Gifts/charitable: $100–$300/month
- Hobbies: $100–$300/month
Total Range: $3,450–$7,700/month ($41,400–$92,400/year)
The Retirement Income Gap Formula
This is the number that matters most:
Income Gap = Annual Expenses − Guaranteed Income
Guaranteed Income Sources:
- Social Security — Average benefit is $1,907/month ($22,884/year) in 2026. Maximum at age 70: ~$4,873/month.
- Pension — FERS annuity, state pension, or employer pension
- Annuity income — If applicable
Example Calculation:
- Annual expenses needed: $84,000
- Social Security (both spouses): −$42,000
- Pension: −$12,000
- Income gap: $30,000/year
Your savings must generate that $30,000 gap reliably for 25–30 years.
How Much Savings Generates Your Income Gap?
Using the 4% withdrawal rule as a baseline:
| Annual Gap | Savings Needed (4%) | Savings Needed (3.5%) |
|---|---|---|
| $20,000 | $500,000 | $571,000 |
| $30,000 | $750,000 | $857,000 |
| $40,000 | $1,000,000 | $1,143,000 |
| $50,000 | $1,250,000 | $1,429,000 |
| $60,000 | $1,500,000 | $1,714,000 |
The Variables Most People Miss
1. Taxes
A $30,000 withdrawal from a traditional IRA requires ~$35,000–$38,000 gross (depending on your bracket) to net $30,000 after taxes.
2. Healthcare Inflation
Healthcare costs rise 5–7% per year — roughly double general inflation. A couple retiring at 65 should plan for $300,000+ in lifetime healthcare costs.
3. Sequence of Returns Risk
A market drop in your first 3–5 years of retirement has an outsized impact on portfolio longevity. This is why withdrawal strategy matters more than total returns.
4. IRMAA Surcharges
If your income exceeds $206,000 (married), Medicare premiums increase dramatically — up to $700+/month per person.
5. Inflation Over 30 Years
At 3% inflation, $84,000 today requires $204,000 in 30 years to buy the same goods. Your plan must account for this.
The Real Answer
There's no single number. Your retirement income need depends on:
- Where you live (Utah is different from California)
- Your healthcare situation
- Whether your home is paid off
- Your tax bracket and withdrawal strategy
- When you claim Social Security
The formula gives you a starting point. A comprehensive retirement income plan turns that starting point into a reliable, year-by-year strategy.
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