10.1 Annuity Payout Options and the Exclusion Ratio

Annuity Payout Options and the Exclusion Ratio

An annuity is a contract that systematically liquidates a sum of money over time. The two phases are the accumulation phase (money paid in and growing tax-deferred) and the annuitization phase or payout phase (the insurer converts the accumulated value into a stream of income). The annuitant is the person whose life expectancy measures payments; the owner controls the contract; the beneficiary receives any guaranteed remainder. Exams test the trade-off between how long income is guaranteed and how large each check is.

The core rule: the longer the insurer's payout obligation, the smaller each periodic payment. A pure life-only payout produces the largest check because it carries the most risk of early death (forfeiture) for the annuitant.

Life contingency payout options

These options base payments on one or more lives:

• Life only (straight life / pure life): Pays for the annuitant's lifetime and stops at death. Largest payment, but no remainder to beneficiaries — if the annuitant dies after one check, payments cease.
• Life with period certain: Pays for life, but guarantees a minimum number of years (for example, life with 10-year certain). If the annuitant dies in year 4, a beneficiary collects the remaining 6 years.
• Life with refund (cash or installment refund): Guarantees that total payments equal at least the premium paid; any shortfall is refunded to the beneficiary.
• Joint life: Pays until the first of two annuitants dies, then stops.
• Joint and survivor: Pays until the last annuitant dies; often reduced to two-thirds or one-half on the first death. Smallest payment because it covers two lifetimes.

Period certain (no life contingency)

A period certain option pays a fixed number of years regardless of survival. Fixed amount pays a set dollar amount each period until the fund is exhausted; fixed period spreads the fund over a set number of years. Neither relies on life expectancy, so neither carries mortality risk — they simply liquidate principal plus interest.

Trap: Students confuse fixed period (you choose the number of years) with fixed amount (you choose the dollar amount). In both, the duration or size of the other variable is determined by the account value and credited interest, not by a lifetime guarantee.

The exclusion ratio

When a nonqualified annuity is annuitized, each payment is part return of the after-tax investment in the contract (the cost basis, excluded from income) and part earnings (taxable). The exclusion ratio determines the tax-free portion:

Exclusion ratio = Investment in the contract ÷ Expected return

The expected return equals the periodic payment multiplied by the number of payments expected over the annuitant's life expectancy (from IRS actuarial tables). Multiply the exclusion ratio by each payment to find the tax-free amount; the remainder is taxable ordinary income.

Worked example

Assume basis (investment) of $120,000, monthly payment of $1,000 ($12,000/year), and an IRS life-expectancy factor of 20 years.

• Expected return = $12,000 × 20 = $240,000
• Exclusion ratio = $120,000 ÷ $240,000 = 50%
• Tax-free portion per payment = $1,000 × 50% = $500
• Taxable portion per payment = $500 (ordinary income)

Important exhaustion rule: Once the annuitant has recovered the full basis (lives past life expectancy), all further payments become 100% taxable. Conversely, if the annuitant dies before recovering basis, the unrecovered basis is allowed as a deduction on the final return.

Ranking the payout options by life contingency

Payout options divide into those carrying a life contingency (the insurer's longevity risk) and those that merely liquidate the fund:

Life only pays the most because the insurer keeps any unpaid balance if the annuitant dies early. Joint and survivor pays the least because the insurer must fund two lifetimes.

Working the exclusion ratio

The exclusion ratio determines how much of each annuitized payment escapes tax:

Exclusion ratio = Investment in the contract ÷ Expected return

Worked example: An annuitant invested $100,000 (basis). The contract is expected to pay $10,000/year for 20 years, so the expected return is $200,000.

• Exclusion ratio = $100,000 ÷ $200,000 = 50%
• Tax-free portion of each $10,000 payment = $10,000 × 50% = $5,000
• Taxable (earnings) portion = $5,000 per payment

The recovery rule: Once the annuitant has recovered the entire basis (here, after 20 years / $100,000 returned tax-free), every additional payment is 100% taxable. Conversely, if the annuitant dies before recovering basis, the unrecovered investment is allowed as a deduction on the final tax return.