In Bangladesh, the central difference is the basis and structure of transactions: Islamic banking is intended to follow Shariah principles and avoid interest-based operations, while Bangladesh Bank describes conventional banking as interest-based. Islamic banking is offered both by full-fledged Islamic banks and through Islamic branches and windows inside conventional banks. The label alone does not tell you an account’s return, risk, fees or terms; those depend on the specific provider and contract.
How the two banking models differ
| What to compare | Islamic banking | Conventional banking |
|---|---|---|
| Stated basis | Financial activity is intended to comply with Shariah principles and avoid interest-based operations. | Bangladesh Bank describes conventional banking as interest-based. |
| Product structure | Products may use Shariah-based deposit or financing structures. The Institute of Bankers, Bangladesh syllabus includes Al-Wadia, Al-Mudaraba, Mudaraba, Murabaha, Musharaka, Salam and Istisna; that does not mean every bank offers each structure. | Product terms follow the provider’s conventional account or financing contract. |
| Provider type | Available from full-fledged Islamic banks and as Islamic branches or windows within conventional commercial banks. | Available through conventional banks, including those that may also operate Islamic services. |
| Returns, charges and risk | Specific return, fees, withdrawal terms and risk depend on the product contract and provider. | Specific interest rate, fees, withdrawal terms and risk depend on the product contract and provider. |
These are differences in governing principles and transaction structures, not a promise that every Islamic product produces equal risk-sharing or a particular financial outcome. Compare the contract rather than relying on the category name.
Islamic banking in Bangladesh is delivered in three ways
Bangladesh Bank’s Annual Report 2024–2025 counts 10 full-fledged Islamic banks with 1,699 branches. It also reports 41 Islamic branches at 17 conventional commercial banks and 905 Islamic windows at 21 conventional commercial banks. These are FY2024–2025 figures, not a measure of current service quality or local availability.
A customer considering an Islamic service should identify whether it is provided by a dedicated Islamic bank, an Islamic branch, or an Islamic window of a conventional bank. The institution and service channel matter when checking product documentation, Shariah governance disclosures, branch access and customer support.
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What the recent sector figures do—and do not—show
Bangladesh Bank’s Islamic Banking and Finance Statistics, March 2025 reports the following sector totals and growth between March 2024 and March 2025:
| Indicator | March 2024 | March 2025 | Reported change |
|---|---|---|---|
| Islamic-bank deposits | BDT 4.19 trillion | BDT 4.39 trillion | 4.61% growth |
| Conventional-bank deposits | BDT 13.69 trillion | BDT 15.12 trillion | 10.44% growth |
| Total banking-system deposits | BDT 17.89 trillion | BDT 19.51 trillion | Approximately 9.07% growth |
| Islamic-bank investment | BDT 4.94 trillion | BDT 5.53 trillion | 12.01% growth |
| Islamic-bank assets | BDT 7.82 trillion | BDT 8.93 trillion | Approximately 14.15% growth |
These figures describe sector-level changes over a defined year; they are not current offers from particular banks and do not establish that one system is safer, offers better customer returns, or has more satisfied customers. Bangladesh Bank says its comparison is descriptive and limited to selected indicators. Its report concludes that conventional banks “outperformed Islamic banks in most cases” on the indicators it studied during March 2024–March 2025; that is not an overall ranking of banks or products.
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Risks and oversight need a provider-level check
Bangladesh Bank’s FY2024–2025 annual report identifies weak governance, a liquidity crisis and higher non-performing investments as challenges for the Islamic banking sector, and says public confidence and structural reform—including potential mergers and recapitalisations—need attention. This is the central bank’s sector assessment for that period; it does not establish that every Islamic bank has the same condition or that conventional banks are risk-free.
For a decision about a particular institution, read its latest audited financial statements and current disclosures. For an Islamic product, also look for the provider’s Shariah governance information and the product’s own terms. Neither sector-wide statistics nor the product label substitutes for those checks.
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- Get the current product document. Ask the bank for dated terms for the exact account or financing product. Confirm the contract structure and, for financing, the transaction or asset arrangement.
- Compare the money terms. Check how the return or charge is calculated and whether it is fixed, expected, provisional or variable. Review fees, minimum balance, withdrawal restrictions, late-payment terms and early-settlement costs.
- Check governance and provider disclosures. For Islamic banking, find the provider’s current Shariah governance disclosures. For either model, review the latest audited financial condition and available liquidity information.
- Check practical access. Confirm that the provider offers the branches, digital services, remittance facilities and customer support you need in your location. Sector branch counts cannot show whether a particular service works well for you.
- Verify protection arrangements. Ask what deposit-protection coverage and claim process apply to the specific account, and confirm the answer against current regulator information. The cited sector reports do not establish coverage or a claim outcome for an individual account.
Bangladesh Bank’s bank and financial institution classifications can help identify the provider category. It does not replace the bank’s current product documents or disclosures.
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Developments in Islamic Banking Practice: The Experience of Bangladesh by Abu Umar Faruq Ahmad was published by Universal Publishers in 2010. The publisher describes it as covering Islamic banking principles and practice in Bangladesh and differences between Islamic and conventional systems; treat it as background reading, not a guide to current regulation or market conditions. The Institute of Bankers, Bangladesh Shariah-Based Banking syllabus also covers conventional versus Islamic banking, deposit mobilisation, financing modes and Bangladesh practice; verify the current syllabus and availability before relying on it.
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