Say, for example, that you earned $ 40,000 in 2015, putting you in the lowest federal tax bracket of 15 per cent. (business.financialpost.com)
I'll be using the 2012 federal tax brackets for a single person as a reference. (novelinvestor.com)
Taking the total amount of Federal taxes you actually pay, and dividing that amount by your gross income also finds your average Federal tax bracket. (toolsformoney.com)