The short answer
Self-employed people earn Social Security benefits just like employees, but they pay for them differently: through self-employment tax, which covers both the employee and employer share of Social Security and Medicare taxes. Your future benefit is based on your reported net self-employment earnings, so how much you report directly affects your eventual benefit. Underreporting income to save on taxes now can lower your Social Security benefit later, which is an important tradeoff for the self-employed to understand.
So the self-employed build Social Security through self-employment tax on reported net earnings, and reporting less now can mean a smaller benefit later.
How your benefit is built
Social Security calculates your retirement benefit from your highest 35 years of earnings, and for the self-employed, those earnings are your net self-employment income on which you paid self-employment tax. Paying self-employment tax is what builds your earnings record, so years with low reported income, or none, count as low or zero years in that calculation. The self-employment tax covers the full Social Security contribution that an employer would otherwise split with an employee. Our self-employed coverage guide covers the broader picture for owners.
Your reported net earnings drive the benefit, so the record you build through self-employment tax is what determines your future check.
What to watch
Be aware that aggressive deductions or underreporting that lower your net self-employment income also lower the earnings that count toward Social Security, potentially reducing your benefit. Balancing current tax savings against future benefits is a real consideration. Keeping accurate records and reviewing your Social Security statement helps you track what you are building. Because taxes and benefits interact, a tax professional can help you weigh the tradeoff. Our retirement income guide covers fitting Social Security into your plan.
The takeaway: the self-employed build Social Security through self-employment tax on net earnings, so weigh cutting reported income for taxes against the smaller benefit it can produce.
Frequently Asked Questions
How do self-employed people earn Social Security?
Through self-employment tax, which covers both the employee and employer share of Social Security and Medicare taxes. Your benefit is based on your reported net self-employment earnings.
Does reporting less self-employment income affect my Social Security?
Yes. Your benefit is based on reported net earnings, so aggressive deductions or underreporting that lower your income also lower the earnings that count toward Social Security, reducing your future benefit.
Do the self-employed pay more for Social Security?
They pay the full self-employment tax covering both the employee and employer shares, whereas an employee splits that cost with their employer, though part of the self-employment tax is deductible.
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