As a Canadian who is not residing in the U.S., the tax rate is 30%. The IRS can tax all gambling winnings such as Keno, slot machines, bingo, lotteries, etc. Changes to the Canadian-US Income Tax Treaty have provided a means for Canadians to recover some of the taxes imposed on US gambling winnings.ĭid you know that Canadians can recover taxes on U.S. Winning is exciting but no one wants to pay unnecessary taxes.