Short, numbers-first explainers for the moments a pay stub surprises you โ a mid-year raise you didn't negotiate, a bonus that looks half-eaten, a bracket you don't want to cross (you do).
CPP and EI are front-loaded: they deduct from January and stop dead at the annual maximum. The 2026 ceilings, the CPP2 second tier, and how to find the month your own raise lands.
Read the guide โYour bonus was not taxed at 50%. It was withheld at a formula that pretends you earn that much every pay period. How withholding works, how the lump-sum rates differ, and how it all settles when you file.
Read the guide โTwo rates, one paycheque. A full $100,000 Ontario example, the raise myth taken apart dollar by dollar, and when each rate is the one you should make decisions with.
Read the guide โEvery guide on this page ends at the same place: your own paycheque. Run it through the take-home pay calculator, read your average and marginal rates off the results, and the guides will read like they were written about your pay stub โ because the same 2026 rules produced both.
Guides are educational explainers, not tax advice. Figures use the 2026 rules published by the CRA and the provinces, with the same scope as our calculators: employment income, basic personal amount, and standard payroll credits. Individual situations โ a second job, a spouse, RRSP room, benefits โ change real outcomes, and certified tax software or a tax professional is the right tool for a filing decision.