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Your social security benefits may be not taxable at all or may be partly taxable.
Here is a simple test - take half of your social security benefits plus the amount of other taxable income - if the total is below $25,000 (for single) - none of your social security benefits are taxable.
If the total is above $25,000 - part of your social security benefits are taxable - there is a special worksheet to calculate the taxable amount. The taxable amount may not be more than 85% of your social security benefits.
You do not need to do anything specifically – if you enter the information from your SSA-1099 and all other tax information – the tax software prepares the worksheet and calculate the taxable amount (if any) of your social security benefits.
You may verify if these are calculated properly:
If you are using the form 1040 – total social security benefits are reported on the line 20a and the taxable part – on the line 20b.
For the form 1040A – these are lines 14a and 14b.
Please let me know if you need any help.