Workers Compensation in Canada: Overview
Workers compensation (called WSIB in Ontario, WorkSafeBC in BC, WCB-Alberta in Alberta, and similar agencies in other provinces) provides income replacement when you are injured at work. The rules differ by province, but common principles apply nationally.
Can You Work While on Workers Compensation?
| Situation | Working allowed? |
|---|---|
| Total temporary disability | Generally no, or very limited |
| Partial/modified capacity | Yes — return-to-work programs are standard |
| Permanent partial disability | Often yes, with earnings offset |
| Doing unauthorized outside work | No — and must be disclosed |
Workers compensation boards actively promote return-to-work (RTW) programs, so limited or modified work is expected as part of recovery, not penalized by default.
How Earnings Affect Benefits: Province-Level Summary
Workers compensation benefit calculations differ by province. The general principle in most provinces:
Your loss-of-earnings benefit = Pre-injury earnings − Current earnings ability
If you earn $0, you receive close to full income replacement. If you earn part of your pre-injury wage, benefits make up the gap — to a maximum covered wage cap.
Ontario (WSIB) — Loss of Earnings (LOE) Benefit
| Item | Detail |
|---|---|
| Base rate | 85% of net pre-injury earnings |
| If working modified duties | Benefit adjusted to top up to 85% of pre-injury earnings |
| No-earnings situation | Receive full 85% of pre-injury net income |
| Maximum insurable earnings | ~$110,400/year (2026) |
| Duration | Up to age 65 (or maximum 72 depending on injury age) |
Example: If you earned $1,000/week before injury and now can only do modified work earning $600/week, WSIB tops up to approximately $850/week (85% of $1,000). Your WSIB benefit would be approximately $250/week.
British Columbia (WorkSafeBC)
| Item | Detail |
|---|---|
| Base rate | 90% of net earnings up to maximum |
| If earning during claim | Benefits reduced by earnings received |
| Vocational rehabilitation earnings | May have separate exemption rules |
| Maximum annual earnings | ~$112,800 (indexed annually) |
Alberta (WCB-Alberta)
| Item | Detail |
|---|---|
| Base rate | 90% of net earnings |
| Light duty wage | If earning less than gross pre-injury, WCB tops up to 90% of original net |
| Maximum insured earnings | ~$112,800/year (indexed) |
Doing Any Work: Disclosure Is Essential
Whether you are:
- Helping a family member with their business
- Doing casual or cash work for a neighbour
- Running any self-employment activities
You must disclose all work activity to your compensation board. Boards investigate undisclosed work through:
- Employer payroll cross-checks
- Social media and in-person surveillance (common in contested claims)
- CRA income data sharing
- Tip lines
Consequences of undisclosed work include benefit repayment (sometimes retroactive to the date of undisclosed activity), permanent cessation of benefits, criminal fraud charges in serious cases, and lifetime dossier flags.
Return to Work Programs
Most provinces have formal RTW frameworks:
| RTW stage | Description |
|---|---|
| Modified duties | Same employer, reduced hours or different tasks |
| Graduated return | Increasing hours/duties over weeks |
| Retraining/vocational rehabilitation | If original job is not possible — boards often cover |
| New employer placement | Board helps arrange alternate employment |
If your employer offers suitable modified work and you refuse without a medical reason, your benefits may be reduced or suspended.
Workers Compensation and Taxes
This is commonly misunderstood:
| Tax rule | Detail |
|---|---|
| Workers comp benefits taxable? | No — tax-exempt |
| Appear on T4? | No |
| Reported anywhere on tax return? | Yes — on a special line (Line 14400/25000) but calculated out of net income |
| Count toward OAS clawback? | No — excluded from net income calculation |
| Count toward RRSP contribution room (earned income)? | No — workers comp is not earned income for RRSP purposes |
| Count toward EI clawback (Social Benefits Repayment)? | No |
| Affect GIS calculation? | No |
The special reporting on your tax return is only to ensure that income-tested credits are not overstated — it does not add to your taxable income or net income for benefit purposes.
Workers Comp vs. Long-Term Disability Insurance
Workers comp only applies to workplace injuries and occupational illness. If your condition is not work-related, you may need LTD insurance instead.
| Feature | Workers Compensation | LTD Insurance |
|---|---|---|
| Work-related injury required | Yes | No |
| Coverage funded by | Employer premiums (no worker cost) | Employer, employee, or personal premium |
| Earnings rules | Yes — offset against benefits | Depends on policy |
| Tax treatment | Tax-free benefits | Depends on who pays premium |
| Duration | Potentially lifetime | Typically to age 65 |