The International Law Institute was founded in 1955, and is headquartered in Washington, DC. ILI's global affiliates* include:
| THE AFRICAN CENTRE FOR LEGAL EXCELLENCE | KAMPALA, UGANDA | |
| AFRICAN DEVELOPMENT LAW CENTRE | ABUJA, NIGERIA | |
| MIDDLE EAST CENTER FOR LAW AND DEVELOPMENT | CAIRO, EGYPT | |
| THE INTER-AMERICAN CENTER FOR LEGAL EXCELLENCE | SANTIAGO, CHILE | |
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* Please note that all affiliates are independent organizations.