Updated Checked by the Tax-Services.ca editorial team How we check
A tax estimator built for 2023 gives wrong answers for anything you earn now, because the brackets, CPP and EI all moved. In 2023 the federal rate started at 15% on the first $53,359. For 2026 it starts at 14% on the first $58,523. So which do you need?
When would you still want a 2023 estimate?
Only if you’re dealing with the 2023 tax year itself: a return you never filed, a reassessment, or a notice that mentions 2023. For everything else, whether that’s this year’s paycheque, a raise, a side job or an RRSP decision, you want 2026 rates. The income tax calculator on this site uses them.
The tool we run covers 2026 only. We don’t have a 2023 mode, and we haven’t tested any other site’s 2023 tool, so we’d rather say so than pretend.
What were the 2023 brackets?
These are the figures the CRA lists for 2023 and 2026, side by side, on taxable income.
| Federal slice, 2023 | Rate | Federal slice, 2026 | Rate |
|---|---|---|---|
| Up to $53,359 | 15% | Up to $58,523 | 14% |
| $53,359 to $106,717 | 20.5% | $58,523 to $117,045 | 20.5% |
| $106,717 to $165,430 | 26% | $117,045 to $181,440 | 26% |
| $165,430 to $235,675 | 29% | $181,440 to $258,482 | 29% |
| Over $235,675 | 33% | Over $258,482 | 33% |
| Ontario slice, 2023 | Rate | Ontario slice, 2026 |
|---|---|---|
| Up to $49,231 | 5.05% | Up to $53,891 |
| $49,231 to $98,463 | 9.15% | $53,891 to $107,785 |
| $98,463 to $150,000 | 11.16% | $107,785 to $150,000 |
| $150,000 to $220,000 | 12.16% | $150,000 to $220,000 |
| Over $220,000 | 13.16% | Over $220,000 |
The Ontario rates didn’t change. Only the first three slices moved up, and the $150,000 and $220,000 lines stayed where they were.
Both years are published side by side on the CRA’s tax rates and income brackets page, which links to every year back to the older ones. That’s the place to look for any other year you need.
How much difference does the year make?
Take $60,000 of taxable income and run the brackets alone, before any credits. Under the 2023 federal slices the tax comes to $9,365.25. Under the 2026 slices it’s $8,496.01, which is $869.24 less. In Ontario the same income gives $3,471.53 on 2023 slices and $3,280.47 on 2026 slices, a gap of $191.06.
Those numbers leave out credits, CPP and EI on purpose. That’s the trap in reusing an old tool: even if the brackets are right, the basic personal amount and the contribution limits are different every year. We didn’t confirm the 2023 versions of those, so we won’t quote a full 2023 result.
Put it in dollars for a minute. Jordan earned $60,000 of taxable income in 2023 and earns the same this year. On brackets alone, Jordan’s federal tax is $869.24 lower now, and the Ontario piece is $191.06 lower, so roughly $1,060 a year less before credits and payroll deductions. Nobody gets that as a cheque, but it explains why an old tool overstates the bill.
How do you estimate this year’s tax instead?
Start with your expected income and put it in the calculator. Add your RRSP contributions as a deduction. If you have a bonus coming, try the bonus tax calculator, and for what’s left on each cheque use the take-home pay calculator.
The results are annual. Your pay stub shows what the employer withholds. Your return decides what you actually owe.
What if the 2023 return was never filed?
File it, and do it soon. The CRA’s page on late-filing penalties lists the figures for the 2025 return: 5% of the balance owing plus 1% per full month late, up to 12 months, with interest compounding daily from the day after the due date. We couldn’t confirm the numbers that applied to 2023 returns, so treat those as a guide, not a quote.
You can ask the CRA to cancel or waive penalties or interest if circumstances beyond your control kept you from filing. The page says requests must come within 10 years. If no tax is owing, there’s no balance to charge a penalty on. And we couldn’t confirm which filing methods are open for a 2023 return, so check the CRA’s site before you buy software.
Can an old estimator ever still be useful?
For a quick feel of how a tax system works, sure. The shape of a bracket system hasn’t changed: each rate applies only to the slice of income inside it. But for an actual dollar answer, use a tool built for the year you’re asking about, and check the year printed on it before you trust a result.
Mistakes with old estimators
Trusting a bracket table without the date on it is the main one. Another is mixing years: a 2023 income with 2026 credits gives a figure that’s wrong in both directions. And beware of any tool that shows one flat “tax rate”. Your average rate and your marginal rate are different, and the marginal tax rate calculator shows the one that matters for your next dollar.
Where this information comes from
The 2023 and 2026 brackets are from the Canada Revenue Agency‘s tax rates pages, and the late-filing rules from its penalties page. Bracket-only tax figures are our arithmetic on those slices. This site isn’t linked with the CRA or any government.
Frequently asked questions
What was the federal tax rate on the first slice in 2023?
15% on taxable income up to $53,359, according to the CRA's tax rates page. For 2026 it's 14% up to $58,523.
Can I use a 2023 estimator for this year's tax?
No. Brackets, CPP and EI all changed. Use a tool that states the 2026 year.
Did Ontario's rates change between 2023 and 2026?
The five rates stayed at 5.05% to 13.16%. The first two bracket limits rose, while the $150,000 and $220,000 limits stayed put.
Can I still file a 2023 return?
We couldn't confirm the current filing methods for 2023 from a CRA page. Check the CRA site or your CRA account before you start.
What is the late-filing penalty?
For the 2025 return the CRA lists 5% of the balance owing plus 1% per full month late, up to 12 months. We couldn't confirm the 2023 wording.
- How Canadian income tax works: brackets and credits
How federal and provincial Canadian income tax stack up, what marginal and average rates mean, and how credits and deductions change your bill