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When will Canada convert to the U.S. Dollar as an official currency?
I don't see countries switching to the USD, I see countries moving away from it. The US has the largest peace time debt ever, is not being even close to fiscally responsible (approving ~4 trillion budget!) and is faced with 100 trillion in future commitments (social security, medicare) with a workforce (tax base) that is decreasing as the baby boomers retire. When the US cannot meet those obligations (and most experts agree there is no hope of that anymore) they will have to print money and devalue the currency.