Annuity Payout Calculator: Lifetime Income Sustainability

• Basic Payout Relationship:
  $$\text{Annual Payout} = \text{Premium} \times \text{Payout Rate}$$

  The payout rate (e.g., 7.0% for a 65-year-old Single Life) is determined by the insurer based on age, gender, payout type, and prevailing interest rates.

• Exclusion Ratio (Non-Qualified):
  $$\text{Exclusion Ratio} = \frac{\text{Premium}}{\text{Monthly Payment} \times 12 \times \text{Life Expectancy}}$$

  Determines the tax-free portion of each payment for after-tax funded annuities. Only the remaining fraction is taxable as ordinary income.

• Break-Even Calculation:
  $$\text{Break-Even Years} = \frac{\text{Premium}}{\text{Annual Payout}}$$

  The point where cumulative payments equal the premium paid.

• Worked Example:
  $500,000 premium, age 65, 7.0% payout rate → $35,000/year ($2,917/month). Break-even: $500,000 ÷ $35,000 = 14.3 years (age 79). With 20-year life expectancy, expected total payments = $700,000. Exclusion ratio = $500,000 ÷ $700,000 = 71.4%, so only 28.6% of each payment ($834/month) is taxable until premium recovery.
• COLA Adjustment:
  With a 3% COLA rider, starting payout is reduced ~25% but grows annually. Year-1 payment: $2,188/month. By year 15: $3,415/month (exceeding the flat payout). Cumulative crossover typically occurs around year 12–15.

Life with Period Certain: Balancing Income and Legacy

• How It Works:
  You receive lifetime payments, but if you die before the certain period ends, your beneficiary receives remaining payments. Example: Life with 20-Year Certain at age 65; if you die at 70, beneficiary receives 15 more years of payments.
• Typical Payout Rates (Age 65, 2026):
  Life with 10-Year Certain: 6.8-7.2% (reduces Single Life by ~3%). Life with 20-Year Certain: 6.4-6.8% (reduces Single Life by ~6%). Longer certain periods = lower payments.
• Best For:
  Those who want lifetime income but worry about "losing" their premium to early death. Parents who want to ensure some legacy for children. Those with uncertain health who want both income and death benefit protection.
• The Trade-Off:
  Period Certain reduces your lifetime income to provide a death benefit you may never use. If you live past the certain period, you received lower income for nothing. Consider whether term life insurance might be more efficient for legacy goals.

How Cost-of-Living Adjustment (COLA) Riders Work

• The COLA Trade-Off Quantified:
  A 3% COLA rider typically reduces your starting payment by 20-25%. On $500,000: Flat annuity starts at $3,000/month. 3% COLA starts at $2,250/month. The COLA payment exceeds the flat payment around year 12-15.
• The Long-Term Math:
  By year 20 with 3% COLA: COLA payment = $4,063/month. Flat payment = $3,000/month (but worth only $1,660 in today's dollars at 3% inflation). Cumulative payments through year 20: COLA = $738,000, Flat = $720,000. COLA wins if you live 15+ years.
• When COLA Makes Sense:
  You're annuitizing at a younger age (60-65) with long life expectancy. Inflation is expected to remain elevated (3%+ long-term). Your fixed expenses (housing, food, healthcare) will grow with inflation. You have no other inflation-protected income (TIPS, I-Bonds, inflation-adjusted pension).
• When Flat May Be Better:
  You're annuitizing later (75+) with shorter expected horizon. You have other inflation-protected income sources. You need maximum current income for fixed obligations. You plan to supplement with investment withdrawals that can adjust.

Understanding the Exclusion Ratio for Non-Qualified Annuities

• Exclusion Ratio Formula:
  $$\text{Exclusion Ratio} = \frac{\text{Premium}}{\text{Expected Total Payments}}$$

  Expected payments = Monthly payment × 12 × IRS life expectancy. At 65, IRS uses ~20-year expectancy.

• Example Calculation:
  $500,000 premium, $3,000/month payment, age 65 (20-year expectancy). Expected payments = $3,000 × 12 × 20 = $720,000. Exclusion ratio = $500,000 / $720,000 = 69.4%. Only 30.6% of each payment is taxable ($917/month) until you recover your full premium.
• After Premium Recovery:
  Once you've received $500,000 in total payments (about 14 years at $3,000/month), your premium is fully recovered. After that, 100% of each payment becomes taxable. This is the "crossover point" where taxes increase.
• Qualified Annuities (401k/IRA Funds):
  No exclusion ratio: 100% of every payment is taxable as ordinary income because the premium was never taxed. This is the same treatment as 401k/IRA withdrawals. No special tax advantage, but also no tax disadvantage vs. systematic withdrawals.

Calculating Your Annuity Break-Even Point

• Break-Even Formula:
  $$\text{Break-Even Years} = \frac{\text{Premium}}{\text{Annual Payout}}$$

  At 7% payout rate: $500,000 / $35,000 = 14.3 years. Age 65 + 14 years = break-even at age 79.

• Life Expectancy Context:
  Average 65-year-old life expectancy: Men = 84, Women = 87. A 65-year-old couple has 50% chance one spouse lives to 92. Most annuitants exceed break-even. The "risk" of dying early is smaller than the risk of running out of money.
• Why Break-Even Is the Wrong Frame:
  You don't buy car insurance hoping to crash enough to "break even." Annuities are longevity insurance: protection against the financial catastrophe of outliving your assets. The "loss" of dying early is offset by the peace of knowing you can't outlive your income.
• Reframing the Decision:
  Instead of "Will I live long enough to break even?", ask: "Can I afford to run out of money if I live to 95?" If the answer is no, an annuity provides insurance no investment portfolio can match.