Summary
If you make $45,018 a year living in the region of Alberta, Canada, you will be taxed $13,370. That means that your net pay will be $31,648 per year, or $2,637 per month. Your average tax rate is 29.7% and your marginal tax rate is 30.5%. 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 $30.46, hence, your net pay will only increase by $69.54.
Bonus Example
A $1,000 bonus will generate an extra $695 of net incomes. A $5,000 bonus will generate an extra $3,477 of net incomes.