Most of the gap is opened by United States's Foreign Earned Income Exclusion regime, which displaces the standard schedule. Both countries are indicated in USD at the displayed FX.
Canada taxes residents on worldwide income, while United States taxes its citizens on worldwide income regardless of residence — a structural difference that shapes how each country treats foreign-source income. Top statutory rates are close — Canada at 33% vs United States at 37% — so the outcome turns on bracket structure, social charges, and available regimes rather than the headline rate alone.
| Personal income tax progressive · top 33% | $15,456 |
| Social security 7.6% employee · capped | $4,779 |
| Total deductions | $20,235 |
| Gross income | $100,000 |
| Net take-home | $79,765 |
| Personal income tax feie · 0% flat | — |
| Social security 22.9% employee · capped | $7,650 |
| Total deductions | $7,650 |
| Gross income | $100,000 |
| Net take-home | $92,350 |
On a $100k single-resident employment profile under each country's default schedule, Canada produces the lower effective burden at 20.2% versus 24.4% in United States — a 4.1 percentage-point gap that compounds to roughly $4,127 of additional take-home annually.
| Instrument | Canada · USD | United States · USD | Δ (US − CA) |
|---|---|---|---|
I. Personal income tax | |||
Personal income tax CAprogressive · top 33%USfeie · 0% flat | $15,456 | — | −$15,456 |
| subtotal · personal income tax | $15,456 | $0 | −$15,456 |
II. Mandatory social security & health | |||
CPP 5.95% to $71,300 + CPP2 4% to $85,000 + EI 1.64% to $65,700. Combined modeled at upper cap. CA7.6% · capped C$85,000US7.6% · capped $184,500 | $4,779 | $7,650 | +$2,871 |
SECA: both employer + employee portions paid by SE. CA—US15.3% · capped $184,500 | — | — | — |
| subtotal · mandatory social security & health | $4,779 | $7,650 | +$2,871 |
| Total deductions | $20,235 | $7,650 | −$12,585 |
| Effective rate | 20.2% | 7.6% | -12.6 pp |
| Gross income | $100,000 | $100,000 | — |
| Net take-home | $79,765 | $92,350 | +$12,585 |
Table 1 · Statutory deductions, single-filer remote worker, FY2026 indicative. All amounts in USD. n/a where instrument does not apply. | |||
United States offers the Foreign Earned Income Exclusion (flat 0% on qualifying income) for qualifying incoming residents; Canada has no equivalent ICP-targeted regime currently modelled — new residents there enter the standard Canada schedule immediately. For movers who don't qualify for United States's Foreign Earned Income Exclusion, both countries revert to their default progressive schedules, where Canada's lower top rate still gives it a structural edge.
For a digital nomad or remote worker on a $100k income, Canada edges United States by 4.1 percentage points on the default schedule — a real but not overwhelming difference that other variables may offset. The calculus shifts if the Foreign Earned Income Exclusion is available: eligible movers may find United States the stronger play once the regime replaces the default schedule. Canada taxes residents on worldwide income, so the headline effective rate applies to total global earnings — not just locally-sourced pay.
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