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Determining Taxable Amount. If your base income exceeds the limit for your filing group, you'll have to pay taxes on some of your Social Security benefits. If you're a single filer and your base income is between $25,000 and $34,000, you'll have to pay tax on up to 50 percent of your Social Security benefits.
Payroll taxes, paid by wage-earners as well as employers, go to fund the Social Security retirement system. If you're self-employed, you pay into the system with self-employment taxes, calculated on your federal return.The Social Security Administration provides an easy way to check a current estimate of your retirement benefit, and find out how much you've paid in over the years.ocial Security makes information on your accumulated payments available on a Benefit Statement. At one time, the agency mailed out these statements every year to all workers with a record of covered earnings, meaning those who had contributed payroll or self-employment taxes to the Social Security trust fund.