Taxing Social Security: A Quick Guide to the Rules

Published: May 1, 2026

Most people approaching or already in retirement understand the basics of Social Security: benefits generally can’t begin before age 62, delaying increases your monthly amount, and waiting until age 70 maximizes what you receive.

Those fundamentals are straightforward.

you receive. Those fundamentals are straightforward.

Where things become less intuitive is in the rules that determine how Social Security is taxed. The interaction between benefits, other income sources, and federal and state tax laws can create complexity that catches retirees off guard. Understanding how these pieces fit together can help you make informed decisions, preserve more of your income, and avoid surprises as you transition into retirement.

Understanding How Social Security Is Taxed

Social Security benefits may or may not be taxed at the federal level. Some retirees pay nothing in federal taxes on their benefits, while others may have up to 85% of their benefits included in taxable income. The determining factor is something called provisional income, which is used to assess how much of your Social Security may be subject to federal tax.

Provisional income (used to determine whether Social Security is taxable) is your adjusted gross income, plus any tax-exempt interest, plus half of your Social Security benefits. This includes income such as wages, IRA withdrawals, pensions, and dividends.

Example: If you receive $30,000 in Social Security and withdraw $20,000 from an IRA, your provisional income would be $35,000 ($20,000 + half of your Social Security), assuming no other income. Depending on your filing status, this could cause a portion of your benefits (up to 85%) to become taxable.

Federal tax thresholds are based on provisional income levels[1]:

Single filers with provisional income below $25,000 generally pay no tax on benefits.
Married couples filing jointly with provisional income below $32,000 generally pay no tax on benefits.
Above these levels, a portion of benefits becomes taxable, with up to 50% or 85% of benefits included in taxable income depending on overall income.

Timing, Work Status and Benefit Strategy

The age at which you begin collecting Social Security can influence your tax liability. Working while receiving benefits may increase your taxable income and starting benefits before full retirement age can trigger earnings‑limit rules that may require you to repay part of your benefits if your income exceeds certain thresholds.

Delaying benefits until full retirement age, or even until age 70, can be a useful strategy for many people. While benefits do not increase after age 70, delaying until then can maximize monthly payments and potentially reduce the number of years benefits are taxed while you are still working.

Adjusting or Pausing Benefits

Some retirees wonder whether they can pause benefits once they’ve started collecting in order to reduce taxes. In certain circumstances, this may be possible, but the decision involves trade offs. Anyone considering this approach should consult with a financial advisor who understands the rules and implications.

State Taxation Matters

Most states do not tax Social Security benefits in 2026. However, there are eight states that currently tax some portion of benefits depending on income: Colorado, Connecticut, Minnesota, Montana, New Mexico, Rhode Island, Utah, and Vermont.

West Virginia previously taxed Social Security but eliminated its tax beginning in 2026.

Even if your state doesn’t tax Social Security, federal taxation can still affect your retirement cash flow, and for those in states that do tax benefits, the impact can be meaningful and important for planning.

Why Social Security Can Complicate Taxes

For many retirees, taxes do become simpler. But for others, Social Security can add complexity, especially when combined with investment income, required minimum distributions, or part‑time work. Tax laws also change over time, which can affect how benefits are treated.

Common misconceptions:

Social Security is always tax‑free.
Delaying benefits past 70 allows them to keep growing.
If you live in a state that doesn’t tax Social Security, you won’t owe anything.

How Modera Helps

Modera has advisors, including CPAs, with wide‑ranging experience in this arena. We take a comprehensive view of your financial life to identify strategies that can help you avoid unnecessary taxes and make the most of your retirement income. Whether retirement is years away, approaching soon, or already underway, thoughtful planning can make a meaningful difference.

As tax laws evolve, having a team that understands both the planning and the tax implications can help you stay ahead of potential changes and protect your long‑term retirement strategy. Because individual situations vary, it’s important to review your approach regularly.

If you are looking for clarity around how Social Security fits into your broader tax and retirement picture, reach out to us today. We would be happy to help you review your strategy.

[1] https://www.irs.gov/faqs/social-security-income

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