Summary
If you make $54,990 a year living in the region of Alberta, Canada, you will be taxed $16,671. That means that your net pay will be $38,319 per year, or $3,193 per month. Your average tax rate is 30.3% and your marginal tax rate is 35.9%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $35.93, hence, your net pay will only increase by $64.07.
Bonus Example
A $1,000 bonus will generate an extra $641 of net incomes. A $5,000 bonus will generate an extra $3,204 of net incomes.