Osun Tax Calculator

Calculate your Personal Income Tax for Osun State Internal Revenue Service (OIRS).

PAYE Tax Calculator

Calculate your tax as an employee (Pay As You Earn) - Nigeria Tax Act 2025

Your Income Details

Annual Gross Salary

₦

Your total annual salary before deductions

Annual Rent Paid (Optional)

₦

20% rent relief, capped at ₦500,000

Tax Calculation Results

Enter your salary details and click Calculate to see your tax breakdown

Nigeria Tax Act 2025 - Progressive Tax Bands

Annual Income Range	Tax Rate
First ₦800,000	0% (Tax-Free)
Next ₦2,200,000	15%
Next ₦9,000,000	18%
Next ₦13,000,000	21%
Next ₦25,000,000	23%
Above ₦50,000,000	25%

* Effective from 1st January 2026 (Nigeria Tax Act 2025)

Localized Calculation: This calculator applies the standard Nigerian PAYE rates used by OIRS.

About OIRS

Office Address

Headquarters, Osun State Capital

Official Portal

File your Annual Returns and verify your TCC on the official portal.

Portal link currently unavailable

Why use a specific calculator for Osun?

While the Personal Income Tax Act (PITA) is a federal law that applies nationwide, each state's Internal Revenue Service (like OIRS) is responsible for collecting taxes from individuals residing in that state.

Our calculator ensures you understand your liability specifically for Osun State.

Osun State Tax Calculator 2025 | OIRS PAYE | TaxClarity NG