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Historical tax archive

Previous tax years

Use the rules that applied to the period you are researching. Historical calculators are versioned separately so current rates never overwrite an old tax year.

🇵🇰 Pakistan

Tax Years 2022–2027

Salary tax calculations plus official FBR withholding-rate-card archive links for six tax years.
🇬🇧 United Kingdom

Income Tax 2023/24–2026/27

Main rates for England, Wales and Northern Ireland, with each year on its own URL.
🇺🇸 United States

Federal Income Tax 2024–2026

Historical federal marginal brackets by filing status.
🇨🇦 Canada

Federal Income Tax 2024–2026

Historical federal brackets before credits and provincial/territorial tax.
🇦🇺 Australia

Resident Income Tax 2024–25 to 2026–27

Historical resident individual rates before Medicare levy and offsets.
🇮🇳 India

New Regime FY 2024–25 & FY 2025–26

Resident-individual slab calculations with section 87A rebate logic.
🇦🇪 UAE

Current effective-rate history

Current UAE tools remain on the canonical calculator where the implemented standard rate has not required a duplicate historical page.
🇸🇦 Saudi Arabia

Current effective-rate history

Current Saudi tools remain canonical while unchanged implemented rates are in force.
How historical pages work. A historical page is published only when its period and official-source basis have been verified. PTA/device valuations and Customs tariff history follow effective dates and valuation rulings rather than being forced into income-tax-year pages.

Browse each historical period

Pakistan

United Kingdom

United States

Canada

Australia

India

Frequently asked questions

Why use a historical tax calculator instead of the current calculator?

Tax rates, thresholds and reliefs change. A historical calculator keeps the rules for its stated period separate from the current rules.

Which countries have historical calculations?

The archive currently includes period-specific historical calculations for Pakistan, the United Kingdom, the United States, Canada, Australia and India.

Are all historical tax categories available?

No. A historical page is published only where the period and source basis have been implemented. Some taxes, such as Customs tariffs or device valuations, are better tracked by effective date rather than income-tax year.

Page updated . This is a page update, not a new tax-rule review.