Most pensions are taxable income, but the amount you pay in taxes depends on how you funded the pension and when you started withdrawing

Whether you owe federal income tax on your pension comes down to one question: did you or your employer pay the contributions with pre-tax dollars? If yes, the money you withdraw is taxable. If you paid into the pension with after-tax dollars, you only pay tax on the growth and earnings, not on what you put in.

The IRS treats pensions like other retirement accounts. Money that went in before taxes were taken out must be taxed when it comes out. This applies to most traditional pensions from employers, military pensions, and railroad retirement benefits. State and local taxes may also apply, depending on where you live and where the pension is from.

You will receive a Form 1099-R each year showing how much you withdrew and how much is taxable. The pension administrator calculates this based on your contribution history. If you made after-tax contributions, you have a basis in the pension, and only the portion above that basis gets taxed.

Key Takeaways

  • Pensions funded with pre-tax dollars are fully taxable when you withdraw them; pensions funded with after-tax dollars are taxed only on earnings and growth.
  • Your pension administrator sends you a Form 1099-R each year showing the taxable amount, which you report on your federal tax return.
  • Some states do not tax military pensions or public employee pensions, while others tax all pension income like ordinary wages.
  • If you withdraw a lump sum instead of taking monthly payments, the entire amount is taxable in that year, which may push you into a higher tax bracket.
  • You can reduce taxes owed by rolling a lump-sum pension into an IRA or by spreading withdrawals across multiple years if your plan allows it.

How the IRS determines what portion of your pension is taxable

The IRS uses a formula called the exclusion ratio to figure out how much of each pension payment is tax-free. This ratio compares what you contributed (your basis) to the total value of the pension when you start withdrawing. If you put in $50,000 over your career and the pension is worth $200,000 when payments begin, roughly 25 percent of each payment is tax-free and 75 percent is taxable.

Your pension administrator calculates this ratio using IRS tables and your life expectancy. Once the ratio is set, it stays the same for the life of the pension. If you live longer than the tables predict, you will eventually recover your full contribution and all remaining payments become fully taxable. If you die before recovering your basis, your heirs cannot claim the unrecovered amount as a loss.

The calculation is more straightforward if you take a lump sum. The pension plan will tell you how much of the lump sum represents your contributions (tax-free) and how much represents earnings (taxable). You report both amounts on your tax return for that year.

Lump-sum payouts and the tax hit in a single year

If your pension offers a lump-sum option instead of monthly payments, taking it all at once creates a large taxable event. The entire taxable portion counts as income in that single year, which can bump you into a higher tax bracket and trigger other tax consequences you would not face if you spread the money over time.

One way to reduce this tax hit is a direct rollover into a traditional IRA or another may have access to retirement plan. If you roll the lump sum directly (the money goes from the pension plan to the IRA, not to you), you do not owe income tax on it that year. You only pay tax when you withdraw from the IRA later. This also gives you more control over when and how much you withdraw each year.

If the pension plan sends the check to you instead of directly to an IRA, the plan must withhold 20 percent for federal taxes, even if you plan to roll it over within 60 days. You can still do a rollover, but you have to cover the withheld amount from your own money or you will owe tax on it. Direct rollovers avoid this trap.

State taxes on pensions vary widely

Federal income tax is only part of the picture. Many states also tax pension income, but the rules differ sharply. Some states exempt military pensions entirely. Others exempt public employee pensions (from teachers, police, firefighters, and government workers) but tax private pensions. A few states tax all pensions like ordinary income.

If you receive a pension from a state you no longer live in, you may owe tax to both your former state and your current state, depending on their laws. Some states have reciprocal agreements that prevent this double taxation, but you have to claim the exemption on your tax return. A few states have no income tax at all, which makes them attractive for retirees with pensions.

The best approach is to check your current state's pension tax rules and your former state's rules if the pension comes from there. Your state tax return instructions or the state revenue department website will spell out which pensions are taxable and which are not.

How to report pension income on your tax return

You will receive a Form 1099-R from your pension administrator by January 31 each year. This form shows the gross amount you withdrew (Box 1) and the taxable amount (Box 2a). You report the taxable amount on line 4 of Form 1040 (federal return) under "pensions and annuities." If you took a direct rollover to an IRA, the form will show code "G" in Box 7, which tells the IRS the money was rolled over and is not taxable that year.

If you made after-tax contributions to the pension, you may need to file Form 8606 to report your basis and calculate the non-taxable portion. Your pension administrator should provide a statement showing your contributions, but if they do not, you can request it. Keeping records of what you paid in is important because the IRS will not accept your word for it if you are audited.

Some people owe estimated quarterly taxes if their pension is large enough. If you do not have enough tax withheld from your pension payments, the IRS can charge penalties. You can adjust your withholding by filing a new Form W-4P with your pension administrator if you want more or less withheld each month.

Withdrawals before age 59½ and the early withdrawal penalty

If you start withdrawing from a pension before age 59½, you generally owe a 10 percent early withdrawal penalty on top of regular income tax. However, pensions have more lenient rules than IRAs. If you are separated from service (retired or laid off) in the year you turn 55 or later, you can withdraw without the penalty. This is called the Rule of 55, and it applies to employer pensions but not to IRAs.

Some pensions also allow substantially equal periodic payments (SEPP), which lets you take distributions before 59½ without penalty as long as you follow a strict formula. The payments must continue for five years or until you turn 59½, whichever is longer. If you break this schedule, you owe the penalty retroactively on all previous withdrawals.

Military pensions have their own rules. Uniformed service members can withdraw at any age without the 10 percent penalty if they served 20 years or more. Federal employee pensions also have different thresholds depending on your age and years of service.

Strategies to reduce taxes on pension income

If you have control over when and how you take your pension, timing matters. Taking a lump sum in a low-income year (like the year you retire) may result in less tax than spreading it over several years when you have other income. Conversely, if you have other large income sources, spreading pension withdrawals over multiple years keeps each year's total income lower.

Charitable donations can also offset pension income if you are over 70½. A may have access to charitable distribution lets you transfer up to $100,000 per year directly from an IRA to a charity without counting it as taxable income. This only works for IRAs, not pensions, but if you rolled your pension into an IRA, you can use this strategy.

If you are still working and earning wages, some states allow you to exclude a portion of pension income from state taxes. A few states also offer pension income deductions for residents over a certain age. Check your state's tax forms to see what deductions apply to you.

Frequently Asked Questions

Do I owe taxes on the money I contributed to my pension?

Only if you made after-tax contributions. If your employer took the contributions from your paycheck before taxes, you already paid income tax on them, and you do not pay tax again when you withdraw. Your pension administrator can tell you whether your contributions were pre-tax or after-tax based on your plan documents.

What happens if I take a lump sum and roll it to an IRA?

If the money goes directly from the pension plan to the IRA (a direct rollover), you owe no tax that year. You only pay tax when you withdraw from the IRA. If the check comes to you first, the plan withholds 20 percent, and you have 60 days to deposit the full amount (including the withheld portion) into an IRA to avoid taxes on the whole thing.

Can I avoid taxes by not taking my pension?

No. Once you reach your plan's required beginning date (usually age 72 for most pensions), you must start taking distributions. The IRS requires this through rules called required minimum distributions (RMDs). If you do not take the required amount, you owe a 25 percent penalty on the shortfall, plus income tax on what you should have withdrawn.

Are military pensions taxed differently?

Military pensions are taxable federal income, but many states exempt them from state income tax. You can also exclude a portion of military retirement pay if you are a disabled veteran rated by the VA. The exclusion amount depends on your disability rating and is claimed on your federal return.

What if I move to a different state after I start taking my pension?

Your tax obligation depends on the laws of your new state and the state where the pension originated. Some states tax pensions from out-of-state sources, while others do not. You may owe tax to both states or neither, depending on the specific rules. File a return in both states and claim any credits to avoid double taxation.