When do Social Security benefits get taxed? Federal tax withholding factors explained
I just started receiving my SS retirement benefits last month ($2,950/month) and I'm confused about federal taxes. I didn't elect to have any taxes withheld initially, but now I'm wondering if that was a mistake. What exactly determines whether your Social Security gets taxed? Is it just your overall income, or are there other factors? Also, if I decide I want taxes withheld now, how do I set that up? I've heard some people say 85% of benefits can be taxable while others pay nothing. I don't want a nasty surprise next April! Thanks for any help understanding this.
18 comments


Misterclamation Skyblue
The main determining factor is your 'combined income.' Here's how it works: 1. Take your adjusted gross income (excluding Social Security) 2. Add any tax-exempt interest income 3. Add 50% of your Social Security benefits For individual filers: - If combined income is under $25,000: Benefits aren't taxed - $25,000-$34,000: Up to 50% of benefits may be taxable - Over $34,000: Up to 85% of benefits may be taxable For joint filers, the thresholds are $32,000 and $44,000. To have taxes withheld, you need to file Form W-4V (Voluntary Withholding Request) where you can choose to withhold 7%, 10%, 12%, or 22% of your monthly benefit. You can get this form from SSA.gov or by calling.
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Gabriel Ruiz
•Thank you! That's clearer than anything I've found so far. With my pension and part-time work, I'll definitely be over the threshold. Is there a way to estimate how much I should withhold to avoid underpayment penalties?
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Peyton Clarke
my sister don't pay no taxes on her ss checks cuz she only gets that and a tiny pension. but me and my husband pay taxes cuz we both still work part-time. its ur other money that makes ss taxable not the ss itself!!
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Gabriel Ruiz
•Thanks for sharing your experience. That's helpful to know it depends on our other income sources.
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Vince Eh
THIS IS SUCH A SCAM!! They already taxed our earnings when we paid INTO Social Security for 40+ YEARS, and now they want to tax the benefits AGAIN?? I have to pay taxes on 85% of my SS benefits because I was responsible and saved for retirement. Meanwhile people who didn't save get all their benefits tax-free. HOW IS THIS FAIR??
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Sophia Gabriel
•I agree! Double taxation feels wrong. My financial advisor says it's better tax-wise to delay taking SS until 70 if possible, since the increased benefit outweighs the tax hit. But everyone's situation is different.
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Tobias Lancaster
For estimating how much to withhold, I recommend using the IRS Tax Withholding Estimator tool on irs.gov. Enter all your income sources (SS, pension, part-time work). Generally, if your total tax bill will be around $3,000 or more, you should have something withheld to avoid underpayment penalties. Keep in mind that Form W-4V only lets you withhold a specific percentage (7%, 10%, 12%, or 22%). You can't specify an exact dollar amount. Most people in the middle income brackets find that 10% withholding works well. Also, you'll need to submit a new Form W-4V if your financial situation changes and you want to adjust the withholding rate or stop withholding entirely.
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Gabriel Ruiz
•Thanks so much for this detailed explanation. I'll check out that IRS estimator tool and probably go with 10% withholding to be safe. Do I mail the W-4V directly to the SSA or take it to a local office?
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Ezra Beard
Has anyone tried reaching SS to ask about this directly? I tried calling for a week straight to ask about changing my withholding and its IMPOSSIBLE to get through. Always 'high call volume' then it hangs up on me!
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Statiia Aarssizan
•I had the same issue and finally used a service called Claimyr that got me connected to a real SSA agent in under 20 minutes. It was such a relief after weeks of trying. They have a video demo at https://youtu.be/Z-BRbJw3puU that shows how it works. I was able to get all my tax withholding questions answered and submitted my W-4V over the phone. The agent even confirmed receipt on the spot which gave me peace of mind.
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Sophia Gabriel
Just wanted to mention that state taxes are a separate consideration. Most states don't tax Social Security benefits at all (38 states exempt them), but some do. Worth checking your state's rules too!
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Gabriel Ruiz
•Good point! I'm in Missouri and I think they have some exemption based on income, but I need to look into that separately.
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Misterclamation Skyblue
To answer your question about submitting the W-4V: You can either mail it to your local Social Security office or drop it off in person. I'd recommend calling ahead if you plan to visit in person, as many offices still require appointments. You can find your local office address using the office locator on SSA.gov. If you mail it, I suggest making a copy for your records and possibly sending it with delivery confirmation so you know it arrived safely.
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Gabriel Ruiz
•Perfect, thank you! I'll complete the form this weekend and mail it with tracking. Really appreciate everyone's help understanding the tax situation.
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StarSurfer
One thing to keep in mind is that the tax withholding percentages on Form W-4V are applied to your gross Social Security benefit, not just the taxable portion. So if you choose 10% withholding on your $2,950 monthly benefit, they'll withhold $295 each month regardless of whether all of your SS is actually taxable. This is important because it means you might end up over-withholding and getting a refund, especially if you're right at the income threshold. The IRS estimator tool mentioned earlier will help you figure out what percentage makes sense for your specific situation. Also, remember that withholding changes typically take effect 1-2 months after SSA processes your W-4V, so plan accordingly if you're trying to adjust for the current tax year.
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Zane Hernandez
•This is really helpful information! I hadn't realized the withholding percentage applies to the gross benefit amount rather than just the taxable portion. That definitely changes how I need to think about this. Given that I'm receiving $2,950/month and will likely be well over the income threshold with my pension and part-time work, it sounds like I should be more conservative with the withholding percentage to avoid over-paying. I'll definitely use that IRS estimator tool before deciding between 7% or 10%. Thanks for clarifying this important detail!
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Amara Adeyemi
I went through this exact same situation when I started receiving benefits earlier this year. What really helped me was creating a simple spreadsheet to track all my income sources - SS benefits, pension, part-time work, any investment income, etc. Then I used the combined income formula that @Misterclamation Skyblue mentioned to see where I'd land. In my case, I ended up choosing 7% withholding because my other income sources put me just over the $34,000 threshold but not by a huge amount. The key is being realistic about your total annual income and remembering that you can always make quarterly estimated payments if you find you're still short come tax time. One tip: if you're still working part-time, consider adjusting the withholding on those paychecks too rather than relying solely on SS withholding. Sometimes it's easier to manage that way since you have more control over the exact amounts.
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Annabel Kimball
•This is such practical advice! I love the idea of creating a spreadsheet to track everything - that would definitely help me visualize the bigger picture. You're absolutely right about adjusting withholding on my part-time work too. I hadn't thought about that approach, but it might give me more flexibility than just relying on the fixed percentages available through Social Security. Thanks for sharing your experience with the 7% withholding rate - it's helpful to hear from someone who went through the same decision-making process recently.
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