Should US social security be filed in Canadian $ or US $?

[lau-roy]

Turbo Tax won't process US social security under foreign income section.

[TurboTaxLise]

You would report it in CDN$ - below is more on how to enter your US social security -

How do I report foreign income, foreign pension and other foreign amounts  https://turbotax.community.intuit.ca/replies/2647976