Tax Planning
Smart Tax Planning With the 2025 First Marginal Rate Cut
How cutting Canada’s lowest federal income tax rate from 15% to 14% (effectively 14.5% in 2025, 14% starting in 2026) can shape your tax planning tactics in real situations.
By NomadicTax Research Team • 5-8 min read • March 22, 2026
## What’s New in the First Tax Bracket
- As of **July 1, 2025**, Canada’s federal lowest marginal income tax rate dropped from **15% to 14%**. For the 2025 taxation year, because of the mid-year change, the effective full-year rate is **14.5%**. Effective **January 1, 2026**, it’s permanently 14% for income up to the threshold for the first tax bracket. ([canada.ca](https://www.canada.ca/en/department-finance/corporate/transparency/2025/briefing-binder-created-occasion-appearance-standing-committee-on-finance-october-6-2025.html?utm_source=openai))
- The same rate cut also applies to most non-refundable tax credits—the rate used to calculate their value aligns with the lowest marginal rate. ([canada.ca](https://www.canada.ca/en/department-finance/corporate/transparency/2025/briefing-binder-created-occasion-appearance-standing-committee-on-finance-october-6-2025.html?utm_source=openai))
## Why This Matters for Your Bottom Line
- More take-home pay: Individuals in the lowest bracket will see more money in each paycheck post-July 2025. Employers need to apply updated payroll deduction tables. ([canada.ca](https://www.canada.ca/content/dam/cra-arc/migration/cra-arc/tx/bsnss/tpcs/pyrll/t4032/2026/t4032-on-1-26e.pdf?utm_source=openai))
- Tax credits are worth slightly less in dollar terms if you're claiming large credits since the rate applied to calculate their benefit is also dropping. The change matters if your credits exceed the first bracket threshold ($57,375 in 2025). In those cases, planning the timing of deductions or credits becomes strategic. ([budget.canada.ca](https://www.budget.canada.ca/2025/report-rapport/tm-mf-en.html?utm_source=openai))
## Practical Planning Moves
- **Maximize deductions within 2025**: If you expect to exceed $57,375 in income, try to concentrate large deductible expenses or tax credit-eligible amounts (medical, tuition, charitable donations) into years when their benefit rate is higher (start of 2025 or earlier).
- **Tax-sheltered investments & RRSP timing**: Rethink when to claim RRSP contributions—if your savings otherwise fall into the lowest bracket in future years, you might gain less benefit. Consider pulling deductions into years with higher rates.
- **Watch employer withholding**: Since payroll tables were updated for the period **July–December 2025**, paychecks should reflect lower withholdings on portions of income within the lowest bracket. Review your pay stub to verify accuracy. ([canada.ca](https://www.canada.ca/content/dam/cra-arc/migration/cra-arc/tx/bsnss/tpcs/pyrll/t4032/2026/t4032-on-1-26e.pdf?utm_source=openai))
## Example Scenario
Lisa, a part-time worker earns $50,000 in 2025. Under the old 15% rate, income up to $57,375 would be taxed at 15%. With the change:
- From Jan-Jun 2025, her income is taxed at 15% up to the first bracket
- From Jul-Dec, income in that bracket is taxed at 14%
- Overall her tax rate for that bracket averages to **14.5%** for 2025, then fully 14% in 2026.
If Lisa claims $5,000 in non-refundable credits, the benefit she gets from those credits is also calculated at this lower rate—so timing and amounts matter.
## Action Steps
- Review large deductible expenses and credits—plan them across 2025-2026 to maximize benefit.
- Check with payroll administrator that correct withholding rate is used for your payroll paychecks after July 1, 2025.
- Consult with your tax advisor if you’re close to the threshold; minor shifts in income or credits could meaningfully impact your net tax savings.
**Summary:** The first rate cut is more than just a lower bracket—it ripples into how credits and deductions work. A little planning now can lead to bigger savings later.