Global tax deadlines.
One page. Every country.

Final quarterly estimated tax payment for tax year 2025. Covers September through December 2025 earnings.

HMRC online Self Assessment deadline for the 2024/25 tax year (ending April 5, 2025). Also the deadline for the first balancing payment and the first payment on account for 2025/26.

Indonesian annual income tax return (SPT Tahunan) for 2025. Small businesses under PP 55/2022 file a simplified return.

Nigerian annual personal income tax return. Filing at the state Board of Internal Revenue where the taxpayer is resident.

First-quarter estimated tax payment for US self-employed individuals and pass-through business owners for tax year 2026. Miss it and you accumulate underpayment penalties all year.

The main US federal individual income tax return for tax year 2025. Every US resident and citizen with income above the filing threshold needs to file this (or request an extension) by April 15, 2026.

Singapore e-filing deadline for individual income tax (YA 2026 for income earned in 2025). Paper filing deadline was April 15 — e-file extends to April 18.

Philippines annual income tax return for self-employed and professionals. Compensation-only earners use BIR 1700.

Canada's individual tax return payment deadline. Self-employed get until June 15 to file, but any balance owing is still due April 30.

Polish annual PIT (Podatek Dochodowy od Osób Fizycznych) return. Sole proprietors file PIT-36 or PIT-36L; ryczałt regime uses PIT-28.

Chile's annual Operación Renta — individual income tax reconciliation and payment for calendar year 2025.

Mexico's annual personal income tax return for 2025. RESICO (Régimen Simplificado de Confianza) and regular individuals file together.

Estonia's annual income tax declaration via e-MTA. Usually takes under 10 minutes thanks to pre-filled data.

Norwegian annual tax return. Pre-filled for most employees; self-employed file the Næringsrapport Skatt.

Czech Republic's annual tax return deadline for OSVČ (self-employed) when filed electronically. Paper deadline is April 1.

Dutch annual income tax return deadline for individuals including ZZP'ers (self-employed without personnel). Extension available to September 1, 2026 on request.

Swedish annual tax return (Inkomstdeklaration 1). Enskild firma (sole proprietor) adds the NE schedule.

Argentina's Impuesto a las Ganancias for individuals. Dates stagger by CUIT ending digit.

Hungarian annual personal income tax return. KATA-registered sole traders have separate filing requirements.

Annual French income tax declaration, staggered by département number. Paper filing closes mid-May; online deadlines vary by département.

Romanian annual tax declaration for PFA (Persoană Fizică Autorizată) — sole trader status.

Brazil's annual individual income tax return (IRPF) for calendar year 2025. MEI holders also file a separate DASN by May 31.

Second-quarter federal estimated tax payment. Covers income earned April 1 through May 31. Also the expat filing deadline for US citizens living abroad.

Extended filing deadline for Canadian self-employed individuals. Note: balance owing was due April 30 — interest accrues from May 1.

Annual income tax return for Maltese self-employed individuals — TA22 for part-time self-employment, TA24 for full-time (separate trade or profession).

Spanish annual personal income tax return (IRPF) for tax year 2025. Self-employed (autónomos) file under Estimación Directa or modules.

Portuguese annual personal income tax return. Self-employed file Annex B under Regime Simplificado or organised accounting.

Belgian annual personal income tax return. Paper deadline end of June; online filing extended to mid-July.

Italian personal income tax (IRPEF) balance for 2025 and first acconto for 2026. Also covers INPS contributions for self-employed (Gestione Separata).

Kenya Revenue Authority individual income tax return deadline.

Danish annual individual tax assessment. Most citizens review the pre-filled Årsopgørelse in March-April; self-employed have a longer window.

NZ individual income tax return for the 2025/26 tax year (April 1, 2025 – March 31, 2026). Provisional taxpayers have additional mid-year instalment deadlines.

The second payment on account for the 2025/26 tax year — typically 50% of the prior year's total liability.

Annual German income tax return for 2025. Deadline extends automatically to February 28, 2027 if filed through a Steuerberater (tax advisor).

Indian Income Tax Return filing deadline for individuals without audit. ITR-3 for business income (actual books); ITR-4 for presumptive income (Section 44AD/44ADA).

SARS provisional taxpayer return for the 2026 year of assessment. Covers self-employed and those with non-salary income over the threshold.

Third-quarter federal estimated tax payment for US self-employed individuals. Covers income earned June 1 through August 31, 2026.

Final deadline to file Form 1040 if you requested an extension via Form 4868 in April. Tax owed was still due April 15.

Australian individual income tax return for 2025/26 financial year (July 1, 2025 – June 30, 2026). Self-lodgers file by October 31; tax agents have extended deadlines.

The extended Revenue Online Service (ROS) deadline for Form 11 income tax returns, preliminary tax 2026, and balancing payment for 2025. Usually mid-November; confirm the exact date with Revenue each year.