Transparência da Metodologia Tributária

Documentação detalhada de fórmulas, parâmetros e exemplos usados para estimar impostos e deduções sobre folha de pagamento.

Escopo e Compromisso

All calculations on this page follow current CRA guidance for the relevant tax year and are maintained as reference estimates.

For platform telemetry and privacy boundaries, see Platform Metrics Transparency.

Metadados de verificação

Metadados de rota

  • Route: /transparency/taxes/
  • Last verified:
  • Next review due: (aligned to CRA annual parameter publication)
  • Verification scope: manual review of published CRA parameter tables for the current tax year against values on this page.

Limitações conhecidas

  • Tax rates and brackets are updated annually; interim CRA announcements between annual publication cycles may not be reflected immediately.
  • Provincial rates are listed as reference only; some provinces publish mid-year amendments that may not be captured until the next annual review.

This metadata is updated each January when CRA publishes updated parameters for the new tax year and as needed for material changes.

  • Basic Exemption: $3,500
  • YMPE: $68,500
  • Contribution Rate: 5.95%
  • Maximum Annual Contribution: $3,867.50
  • Formula:

    CPP = max(0, min(AnnualIncome, 68500) - 3500) * 0.0595

    Example: For $50,000 annual income, CPP is ($50,000 - $3,500) * 5.95% = $2,766.75.

    Recuperação da Segurança para Idosos (OEA)

    2025/2026 Parameters:

    • Clawback Threshold: $87,282
    • Clawback Rate: 15%

    Formula:

    OASClawback = max(0, AnnualIncome - 87282) * 0.15

    Example: For $120,000 annual income, OAS clawback is ($120,000 - $87,282) * 15% = $4,907.70.

    Seguro de Trabalho (EI)

    2025/2026 Parameters:

    • Maximum Insurable Earnings: $63,200
    • Employee Rate (AB reference): 1.58%
    • Maximum Annual Contribution: $998.56

    Formula:

    EI = min(AnnualIncome, 63200) * 0.0158

    Example: For $75,000 annual income, EI is capped at $998.56.

    Imposto de Renda Federal e Provincial

    Income tax is progressive. Each bracket rate applies only to income within that bracket.

    2025/2026 Federal Brackets:

    Faixa de rendaTaxa
    $0 - $55,86715%
    $55,867 - $111,73320.5%
    $111,733 - $173,20526%
    $173,205 - $246,75229%
    Over $246,75233%

    Provincial rates: Applied based on user location and updated with annual indexation.

    Cálculo do salário líquido

    Formula: NetPay = GrossIncome - TotalDeductions

    Total deductions include:

    • Federal income tax
    • Provincial income tax
    • CPP
    • EI
    • OAS clawback when applicable

    Example: At $65,000 annual income (AB example), estimated net pay is about $48,292 after estimated deductions.

    Precisão e Validação

    • Automated coverage across CPP, OAS, EI, and bracket transitions.
    • Annual parameter updates aligned with CRA publications.
    • Integration scenarios to validate combined deduction outcomes.

    Notas importantes

    • These values are estimates, not official tax assessments.
    • Personal credits, deductions, and special circumstances can change actual liability.
    • Consult a certified tax professional for filing or planning decisions.