New Jersey treats retirement income noticeably differently than the federal government does, and often more generously. Here’s what’s actually taxable on your NJ return versus what’s excluded.
Social Security Is Never Taxed by NJ
Unlike the federal government, which can tax a portion of Social Security benefits depending on your overall income, New Jersey doesn’t tax Social Security benefits at all. This is one of the more significant differences retirees notice when comparing their federal and NJ returns.
The Pension and Retirement Income Exclusion
NJ offers a pension exclusion for residents who are 62 or older, or who are disabled, that lets you exclude a substantial portion of pension, annuity, and IRA/401(k) withdrawal income from NJ tax — provided your total NJ gross income falls under the state’s threshold for the exclusion. Above that income threshold, the exclusion phases out. Because both the income ceiling and exclusion amounts have been adjusted by the legislature in past years, check the current-year NJ-1040 instructions or worksheet for the exact figures that apply to your filing status.
Already-Taxed Contributions Aren’t Taxed Again
New Jersey doesn’t allow a deduction for traditional IRA or 401(k) contributions the way federal does, which means you’ve already paid NJ tax on that money going in. When you withdraw it in retirement, NJ lets you recover that already-taxed basis tax-free, using either the three-year rule or the general rule, so you aren’t taxed twice on the same contributions.
Out-of-State Pensions and Retirement Accounts
If you’re an NJ resident, your pension and retirement income is generally taxable to NJ regardless of which state it came from, subject to the same exclusion rules described above.
Frequently Asked Questions
Does the pension exclusion apply if I’m still working part-time in retirement? The exclusion is based on your age and total NJ gross income, not solely on whether you’re still earning wages, so some part-time earners can still qualify depending on their total income.
Is a Roth IRA withdrawal taxed by NJ? Qualified Roth withdrawals are generally not taxed federally or by NJ, since contributions were already made with after-tax money.
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