Bangladesh's income tax system for the 2025-26 fiscal year operates under the National Board of Revenue (NBR) rules set out in the Finance Act. While the basic structure — a tax-free threshold followed by progressive slabs — is straightforward, the details of investment rebates, advance income tax (AIT), and the minimum tax requirement trip up many people. This article explains the full picture so you can estimate your liability accurately before filing.
Who Has to Pay Income Tax in Bangladesh?
Any individual resident in Bangladesh whose total income in a fiscal year exceeds the tax-free threshold is required to file a return and pay tax. The fiscal year runs from 1 July to 30 June. The threshold is not a flat figure — it depends on the category of taxpayer, as the NBR grants higher exemptions to women, senior citizens, and persons with disabilities.
Tax-Free Income Thresholds 2025-26
| Category | Annual Tax-Free Threshold |
|---|---|
| General taxpayer (male) | ৳3,50,000 |
| Female taxpayer | ৳4,00,000 |
| Senior citizen (65 years and above) | ৳4,00,000 |
| Person with disability | ৳4,75,000 |
| Gazetted war-wounded freedom fighter | ৳5,00,000 |
The Progressive Tax Slabs
After the tax-free threshold, income is taxed in bands at increasing rates. These apply to total income minus any allowable deductions.
NBR Income Tax Slabs 2025-26 (General Category)
| Income Slab (Annual) | Tax Rate |
|---|---|
| Up to ৳3,50,000 | 0% (tax free) |
| Next ৳1,00,000 | 5% |
| Next ৳3,00,000 | 10% |
| Next ৳4,00,000 | 15% |
| Next ৳5,00,000 | 20% |
| Above ৳16,50,000 | 25% |
The Investment Rebate — Your Biggest Reduction
The investment rebate (also called tax rebate on investment) lets you reduce your final tax bill by investing in approved instruments. The allowable investment amount is 25% of your total income, subject to a ceiling of ৳1 crore. On that invested amount, a 15% tax credit applies.
Approved investments include: NSCs (national savings certificates), life insurance premiums, provident fund contributions, DPS (deposit pension scheme), mutual funds approved by BSEC, investment in listed securities, and others. The rebate applies against the tax calculated on your gross income — it is not a deduction from income but a direct credit against the tax owed.
Worked Example: Salaried Employee with ৳9 Lakh Annual Income
- 1Gross annual income: ৳9,00,000
- 2Tax-free threshold (general male): ৳3,50,000
- 3Taxable income: ৳9,00,000 − ৳3,50,000 = ৳5,50,000
- 4Tax on first ৳1,00,000 at 5%: ৳5,000
- 5Tax on next ৳3,00,000 at 10%: ৳30,000
- 6Tax on remaining ৳1,50,000 at 15%: ৳22,500
- 7Gross tax: ৳5,000 + ৳30,000 + ৳22,500 = ৳57,500
- 8Allowable investment (25% of income): ৳2,25,000 (assuming full amount invested)
- 9Investment rebate (15% of ৳2,25,000): ৳33,750
- 10Net tax payable: ৳57,500 − ৳33,750 = ৳23,750
Minimum Tax and AIT
Even after the investment rebate, there is a minimum tax floor. For most districts in Bangladesh, the minimum income tax is ৳5,000 per year for an individual taxpayer who is required to file. In Dhaka and Chittagong city corporation areas, the minimum is ৳5,000 and ৳4,000 respectively. You pay whichever is higher — the calculated tax after rebate, or the minimum.
Advance Income Tax (AIT) is often collected at source — on bank interest, on TDS from salary, on business receipts, and others. The AIT you have already paid is fully adjustable against your final tax liability when you file your return. If AIT exceeds your calculated tax, you can claim a refund through the tax office.
Tip
The deadline for filing returns for salaried individuals is typically 30 November. Filing on time avoids a 2% monthly interest charge on any tax balance remaining unpaid. Even if you owe nothing, filing a nil return keeps your tax file in good standing for loan applications and visa purposes.