US resident: Report Canadian income before arrival?

[erfan1985]

I moved from Canada to USA on July 2 and will be considered a non-resident of Canada and a US resident alien for tax purposes (according to 183 days rule). Before moving to US I was employed in Canada and received wages and paid taxes. I have a question:

When filing the tax return next year with IRS, do I need to report my Canadian income of the entire year or only after I arrived in US (Jul 2nd)?

[nelsona]

You only must report income earned after you moved. However, it may be beneficial for you to report all your income for the year on a US 1040 (you still need to report the income earned before leaving canada to CRA) in order to get all the tax advantages available to full-year US residents.

Its a decison you can make at tax time by prepping both ways.

[erfan1985]

Thanks. Does this apply to earnings from my registered and non-registered Canadian accounts? Should I only report capital gain/loss, dividend, and interest after I moved to US? or this time I report all the year? I was reading here that it's got to be from the beginning of the year. That's what makes me confused.
viewtopic.php?f=2&t=299763

[nelsona]

The RRSP is tax deferred in both counties.

As to your non-registered, you will have deemd dispositions as wel las true sales, you will get credit for the tax you paid in canada, or have the holdings reevaluated at departure.