It depends. If no after-tax contributions were made before the distribution, generally, the entire amount is taxable. When after-tax contributions are made to the annuity, only a portion is usually taxable.
Refer to the TurboTax article When to Use Tax Form 1099-R: Distributions From Pensions, Annuities, Retirement, etc. for additional information.
Refer to the TurboTax Help article Where do I enter my 1099-R? for navigation instructions. As you go through the interview, TurboTax will ask you questions about your 1099-R to help determine the taxable portion of your annuity distribution.
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