Global Statutory Tax Filing Deadline Calendar
Essential tax return filing, self-assessment, and quarterly estimated tax payment deadlines across the United States, United Kingdom, Canada, Australia, and European revenue agencies.
United States (IRS)
Federal Individual Income Tax Return (Form 1040) & Q1 2026 Estimated Tax (Form 1040-ES)
United States (IRS)
Q2 2026 Estimated Tax Payment Deadline (Form 1040-ES)
United Kingdom (HMRC)
End of 2025/2026 UK Tax Year & ISA Investment Allowance Deadline (£20,000)
United Kingdom (HMRC)
Second Payment on Account for 2025/2026 Self Assessment
Canada (CRA)
Individual Income Tax Filing & Payment Deadline (T1 General Return)
Canada (CRA)
Self-Employed Individual Tax Return Filing Deadline
Australia (ATO)
Individual Self-Prepared Tax Return Lodgement Deadline (2025/26 Year)
Germany (Finanzamt)
Standard Statutory Tax Return (Einkommensteuererklärung) Deadline
France (DGFiP)
Online Income Tax Return (Déclaration des Revenus) Filing Deadline