Tax Planning
How Middle-Class Tax Cuts Affect Your Non-Refundable Tax Credits
Bill C-4 reduced Canada’s lowest federal tax rate—discover how this change impacts non-refundable tax credits and what that means for you in 2026.
By NomadicTax Research Team • 5-8 min read • June 26, 2026
## Background on the Tax Rate Change
Under **Bill C-4, the Making Life More Affordable for Canadians Act**, the federal lowest marginal income tax rate was reduced from **15%** to **14.5%** for the 2025 taxation year and to **14%** effective in **2026 and subsequent years**. The new rate applies to the first portion of taxable income — in 2026, that’s up to **$58,523**. ([canada.ca](https://www.canada.ca/en/department-finance/services/publications/federal-tax-expenditures/2026/part-2.html?utm_source=openai))
## What Are Non-Refundable Tax Credits & Why They Matter
Non-refundable tax credits *reduce how much tax you owe*, but they can’t create a refund. Examples include:
- Basic Personal Amount
- Canada Employment Credit
- Medical Expense Tax Credit
- Disability Tax Credit
- Volunteer Firefighter Amount
Each of these credits is multiplied by the “appropriate percentage”—which is the lowest marginal rate (now **14%** in 2026) to determine how much tax relief you get. ([canada.ca](https://www.canada.ca/en/department-finance/services/publications/report-impact-reducing-lowest-marginal-personal-income-tax-rate-non-refundable-tax-credits.html?utm_source=openai))
## How the Reduced Rate Affects Your Tax Savings
| Scenario | Pre-2026 Rate (15%) | New Rate (14%) | Expected Difference on Typical Credit* |
|---|---|---|---|
| Basic Personal Amount (~$16,452) | $2,468 | $2,303 | **$165 less tax savings** |
| Disability Credit (~$9,000) | $1,350 | $1,260 | **$90 difference** |
> *These are rough estimates: actual impact depends on your specific credits and amounts.
## Practical Advice: What Can You Do
1. **Estimate the value of your non-refundable credits** using the 14% rate – compare what you would have had before (15%) to now. This helps with withholding decisions or projected tax payments.
2. **Optimize timing**: If you can defer or accelerate deductible expenses or eligible credits into years when rates or thresholds are more favorable.
3. **Review eligibility**: Some thresholds (e.g. for the Basic Personal Amount) are indexed to inflation — ensure you’re claiming all credits to which you’re entitled.
4. **Use CRA’s tools and prefilled returns**: Because Bill C-4 also introduced automatic prefilled returns for those with simple tax situations, CRA will fill in known credits and income for many taxpayers. Check and confirm details when filing. ([canada.ca](https://www.canada.ca/en/department-finance/news/2026/03/legislation-to-make-life-more-affordable-receives-royal-assent.html?utm_source=openai))
## Example Case Study
Jane, a single taxpayer earning $50,000:
- She claims the Basic Personal Amount and the Canada Employment Credit. Suppose her non-refundable credits total **$5,000**.
- Under the old 15% rate, she would get **$750** in tax savings (5,000 × .15).
- Under the new 14% rate, she gets **$700**, so savings drop by **$50**.
- But recall: she’s still paying **less income tax overall** because her marginal rate on income is lower.
## Summary: The Bigger Picture
While the lowest tax rate cut to **14%** offers real income tax relief, its interaction with non-refundable credits slightly dampens their value. For many taxpayers, the net effect is **overall savings**, but credits such as medical, disability, or volunteer amounts yield **a smaller benefit** than under previous rates. Understanding this nuance helps you manage expectations, plan taxable events, and ensure **you’ve claimed every credit** possible.
> "Reducing the lowest marginal personal income tax rate from 15 % to 14 % … is anticipated to save individuals up to **$420** and two-income families up to **$840** in 2026." ([canada.ca](https://www.canada.ca/en/department-finance/services/publications/report-impact-reducing-lowest-marginal-personal-income-tax-rate-non-refundable-tax-credits.html?utm_source=openai))