Quebec: 2025 Formulas to Calculate Source Deductions and Contributions Guide Released

On November 21, 2024, Revenu Québec published the 2025 TP-1015.F-V formulas guide to calculate source deductions for Quebec income tax, Quebec Pension Plan (QPP), Quebec Parental Insurance Plan (QPIP), and employer contributions. Changes from 2024 include the following: 

  • Indexing – Personal income tax indexed at 2.85% 

 

  • Income tax rates and income thresholds 

 

  • The personal basic amount increased to $18,571 

 

  • Amount for career extension 

 

  • Gratuities and retroactive pay at $18,571 

 

  • Deduction for workers at $1,420 

 

  • Emergency services volunteer at $1,420 

 

  • Contribution to the health service fund – the threshold will increase from $7.5M to $7.8M. 

 

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