| Total member countries in each institution: | | |
| The International Bank for Reconstruction and Development (IBRD) | | 184 |
| The International Development Association (IDA) | | 177 |
| The International Finance Corporation (IFC) | | 165 |
| The Multilateral Investment Guarantee Agency (MIGA) | | 164 |
| The International Centre for Settlement of Investment Disputes (ICSID) | | 140 |