Tool · Investor Sam Military

Military Pension COLA Lifetime Value: What Your Pension Is Really Worth

July 1, 2026 • By the Investor Sam Editorial Team • Reviewed by Berly Sam Varghese, Editor
A military pension is quoted as a fixed monthly number, but COLA raises make it a growing income stream. A 42-year-old retiring with a $2,500/month pension does not collect $2,500 forever — COLA (tied to CPI) increases it every year. Over a 40-year retirement that compounding transforms the monthly pension into a lifetime sum that most retirees dramatically underestimate. This calculator shows the real number.

Example: Starting monthly pension at retirement: 2500 $ · Expected annual COLA rate: 2.5 %/yr · Age at military retirement: 42 yrs · Life expectancy (age): 85 yrs · Discount rate (to compute present value): 3 %

Lifetime pension present value$1,132,827
Lifetime pension (nominal dollars)$2,269,824
First year pension$30,000
Annual pension at age 80$76,670
Age pension crosses $500,000 cumulative56

Worked example

A $2,500/month pension starting at age 42 with 2.5% annual COLA grows to $3,918/month by age 62 and $6,141/month by age 80. Over a 43-year retirement to age 85, the nominal lifetime total exceeds $1.85 million. Discounted at 3% to reflect today's purchasing power, the present value is approximately $1.1 million — equivalent to the lump sum you would need to invest today to replicate that income stream. That is why a 20-year military pension is often the cornerstone of financial independence for service members.

Frequently asked questions

How is military pension COLA calculated?

Military retirement pay COLA is tied to the Consumer Price Index (CPI-W), the same index used for Social Security. BRS retirees receive CPI minus 1 percentage point (known as 'Diet COLA') until age 62, when they receive a one-time catch-up to full CPI and then track full CPI thereafter. Legacy High-3 retirees receive full CPI COLA every year.

Is military retirement pay taxable?

Yes, federal income tax applies to military retirement pay. Many states also tax it, though some states exempt military retirement fully or partially. The calculator shows gross pension; subtract your effective tax rate to estimate take-home.

What is the Survivor Benefit Plan?

The Survivor Benefit Plan (SBP) is optional insurance that continues up to 55% of the retirement pension to a surviving spouse, at a cost of 6.5% of the covered base amount per month. Electing SBP reduces the pension you receive in life but protects your spouse from losing income if you die first. It is worth analyzing separately against term life insurance alternatives.

Can a military pension be divided in divorce?

Yes. Under the Uniformed Services Former Spouses' Protection Act (USFSPA), a court can divide military retirement pay as marital property. The exact division varies by state law and the terms of the divorce decree. Contact a JAG or military family law attorney for specifics.

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Sources

Berly Sam Varghese · Editor, Investor Sam

Berly Sam Varghese is an engineer who treats money the way he treats any hard problem — something to be engineered, not gambled on. He funded years of education and built real financial stability the patient way, by living below his means and investing rather than borrowing. He writes for the person trying to make military pay and benefits go further. He reviews and approves every article on Investor Sam and checks the figures against primary sources before anything is published. More about our standards.