As per the Canada Revenue Agency: Line 11500 – Other pensions and superannuation: United States Social Security

Report on line 11500 of your return the full amount in Canadian dollars of your U.S. Social Security benefits and any U.S. Medicare premiums paid on your behalf. You can claim a deduction for part of this income on line 25600 of your return.

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Thank you for the information.

 I think that last year I had trouble finding line 11500, but I will see how it goes this year. It could be helpful to know on what form this line appears.

Where do I input USA social security pension on Turbotax? I know Line 11500 on the return itself but where do enter the information online Turbotax?

@Skysaxon 

You can enter the amount on the foreign slip.