Glossary

Annuity

A contract with a life insurer that grows savings tax-deferred, turns them into guaranteed income, or both, in exchange for one or more payments.

An annuity is a contract sold by a life insurance company. You pay a premium, either all at once or over time, and the insurer promises growth, income or both. Where life insurance protects against dying too soon, an annuity protects against living longer than your savings last.

Annuities are sorted along two lines. By timing: an immediate annuity starts paying income within about a year, while a deferred annuity builds value first. By how value grows: a fixed annuity credits a declared rate, an indexed annuity ties credits to a market index within caps and floors, and a variable annuity invests in subaccounts that can lose value. Hypothetical example: a 65-year-old could put $150,000 into an immediate annuity for monthly lifetime income, or into a multi-year guaranteed annuity that credits a fixed rate for five years.

Earnings grow tax-deferred and are taxed as ordinary income when withdrawn, and taking earnings before age 59½ usually adds a 10% federal penalty. Most deferred annuities have surrender charges for several years, and fees on variable and rider-heavy contracts can be substantial. Guarantees depend on the insurer's claims-paying ability, backed by state guaranty associations up to set limits. Start with what is an annuity and how does it work? and are annuities a good idea? for the trade-offs.

Last reviewed October 4, 2026

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