CD vs Deferred Income Annuity (2026), The Mortality Credit Explained
A Deferred Income Annuity is a SPIA you buy now and start later. You hand over a premium today and the insurance carrier promises to start paying you a lifetime income on a future date you choose (typically 5-20 years out). The deferral period lets your premium accumulate interest and lets mortality credits build. Both raise the eventual payout rate sharply compared to buying a SPIA on the start date.
Example: a 60-year-old buying a DIA with income starting at age 75 (15-year deferral) gets a lifetime payout rate of around 13-15% of original premium. A 75-year-old buying a SPIA the same year would only get about 8-9%. The deferral period nearly doubles the eventual income, because more buyers die during the deferral and the survivors capture larger mortality credits.
A CD does none of this. It preserves principal, pays interest, returns par at the end. Different instrument, different purpose.
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CD vs MYGA, after tax
What $100,000 earns in 5 years: CD vs MYGA, after tax
Rates used: CD 5.00%, the top nationally available 5-year CD (Bankrate, October 14, 2026); change it to the rate you are offered. MYGA 5.95%, the best A-rated rate we track as of October 13, 2026: Delaware Life Pinnacle Plus 5-year (AM Best A-, negative outlook, 7/31/2026), $100,000 and up, effective October 6, 2026 (Delaware Life rate sheet).
| CD, interest taxed every year | $121,081 |
|---|---|
| MYGA, tax-deferred, before tax | $133,507 |
| MYGA after paying tax on all the interest at withdrawal | $126,136 |
| Tax deferral alone adds about | $674 |
| MYGA ahead of the CD, after tax | $5,055 |
Assumes 22% federal and 0% state income tax, no withdrawals, rates held for the whole term. MYGA interest is taxed as ordinary income when you withdraw it, not as capital gains. Gains taken before age 59 1/2 can owe a 10% IRS penalty, and cashing out early can cost a surrender charge. In an IRA both grow tax-deferred, so the edge there is the rate alone. Bank and credit union deposits are FDIC or NCUA insured up to the limits; a MYGA is backed by the issuing insurer's claims-paying ability and your state's guaranty association up to its limits, not the FDIC. General education, not tax, legal or financial advice.
Side-by-side comparison
| Dimension | CD | Deferred Income Annuity (DIA) |
|---|---|---|
| Yield/payout structure | Fixed rate for term | Lifetime income starting at chosen future date |
| Example (age 60 buyer, 15yr defer) | 5yr CD 4.40% = $11K/yr interest on $250K | $250K DIA = ~$34K/yr lifetime starting age 75 |
| Mortality credits | None | Significant: compound during deferral |
| Death before income starts | Full balance to heirs | Life-only DIA: NOTHING. ROP rider: original premium back. |
| Death after income starts | Full remaining balance | Life-only: nothing. Period-certain: remaining guaranteed payments. |
| Liquidity during deferral | Penalty for early withdrawal | Typically none: DIAs are illiquid by design |
| Inflation protection | None unless laddered | Optional COLA rider, reduces payout 25-40% |
| Federal tax on payments | Annual ordinary income | Exclusion ratio: portion tax-free return of basis |
| Risk | FDIC backstop | State guaranty fund backstop |
| Goal | Capital preservation, defined-term need | Pure longevity insurance, lifetime income |
| Best for | Predictable cash, near-term spending | Pre-retirees worried about outliving assets |
When CDs win
- You want full principal access until you actually need it. CDs let you change your mind. DIAs are typically irrevocable once funded.
- Heirs matter. A life-only DIA pays $0 to beneficiaries if you die during the deferral period.
- You're already covered for longevity (pension, Social Security, spouse's income). Adding a DIA is over-insuring.
- You have under $100K to allocate. Carving out 20-30% of small portfolios for a DIA leaves too little for everything else.
- You're in poor health. DIA mortality credits work against you, because you're subsidizing the survivors.
When Deferred Income Annuity (DIA) wins
- You're 55-65 and worried about running out of money in your 80s-90s. A DIA with income starting at 80 or 85 transfers longevity risk to the insurer.
- You have family history of longevity (parents lived past 90). The math leans hard in your favor.
- You want to spend down other assets confidently knowing a check arrives at age 75 or 80. The DIA gives you a guaranteed floor.
- You're maxing out qualified plan deferrals. A QLAC (qualified DIA) defers RMDs on up to $200K/person (2026).
- You can afford to lock 10-25% of investable assets. Don't put 100% of net worth in a DIA. It's pure longevity coverage, not a portfolio.
Worked example: $250,000 over the planning horizon
You're 60 with $250,000 you don't need for income until age 75. Two strategies:
Option A: 5-year CDs rolled 3 times at 4.40% (assume same rate, ignore tax for simplicity).
$250K grows to: $250K * 1.044^15 = $476,000 by age 75. Then begin 4% withdrawals: $19,040/yr. Principal depletes by approximately age 90 if rates and spending hold.
Option B: $250K DIA at age 60 with income starting age 75 (life-only).
Lifetime income at age 75: ~$34,000/yr (13.6% payout on original premium). Income runs as long as you live. Die at 78: collected $102K (lost vs Option A). Die at 90: collected $510K (beat Option A). Die at 95: collected $680K (crushed Option A).
Option C: $125K DIA + $125K CD ladder.
DIA at 75: $17,000/yr lifetime guaranteed. CD ladder grows to ~$238K and gives ~$9,500/yr at 4% withdrawal plus principal access. Total: $26,500/yr starting at 75, with $238K principal still accessible. Longevity hedge plus liquidity.
The DIA's mortality credit advantage compounds the longer you live. For someone with a 50% chance of living past 85, the DIA's expected NPV beats the CD strategy. For someone with health issues or shorter life expectancy, the CD wins.
Tax implications
CDs: interest taxed annually as ordinary income.
DIAs (non-qualified, purchased with after-tax money): exclusion ratio applies once income starts. A portion of each payment is tax-free return of basis. For a 60-year-old buying with payments starting at 75, the exclusion ratio is calculated at the payment start date based on then-current life expectancy. Typically 30-50% of each payment is tax-free initially.
QLACs (Qualified Longevity Annuity Contracts), which are DIAs purchased inside IRAs, get special tax treatment: premium up to $200,000 (2026 limit, indexed annually) is removed from RMD calculations until income starts, with payments mandatory to begin no later than age 85. We cover QLACs separately.
Where a MYGA fits in
For someone who wants tax-deferred growth during the deferral period plus optionality on whether to actually annuitize, a MYGA-into-SPIA strategy can replicate much of the DIA's economics with more flexibility. Buy a 5-year MYGA at age 60-65 at 5.60%. At the end of the term, decide: 1035-exchange into a SPIA, take cash, or roll into another MYGA. You give up some mortality credits during the deferral (DIAs have explicit mortality pricing; MYGAs don't) but you keep optionality.
For someone who's certain they want lifetime income and certain they want maximum mortality credits, the DIA is the more efficient instrument. The trade-off is irrevocability.
Frequently Asked Questions
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- Deferred Income Annuity Reviews
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Disclosure
This comparison reflects publicly available product information and approximate market yields as of the date stated above. CD, Treasury, bond, annuity, and money market rates change frequently: typically weekly for short-term instruments and monthly for annuities and bonds. Always confirm current values against the most recent issuer disclosure document, FDIC/NCUA insurance status, and the actual contract before purchasing. This is general education, not a personal recommendation or an offer of any product. Tax treatment described reflects U.S. federal and state law as of 2026 and is subject to change; consult a qualified tax professional. Hans Goldstein is an independent licensed insurance producer (NPN 20602398, CA Life License #4273294) appointed with multiple A-rated carriers; he does not sell CDs, Treasuries, mutual funds, or securities. No compensation has been received from any carrier or institution in connection with the publication of this comparison. FDIC insurance covers deposits up to $250,000 per depositor, per insured bank, per ownership category. State insurance guaranty fund coverage on annuities varies by state and is typically $250,000-$300,000 per owner per carrier. Past performance does not predict future returns.