Ethiopia matters for comparative politics because it is the most important test case for ethnic federalism — the idea that deeply divided multi-ethnic societies can be governed by giving ethnic groups territorial autonomy, constitutional recognition, and even the right to secession. The 1995 Constitution, implemented after the Ethiopian People's Revolutionary Democratic Front (EPRDF) overthrew the Derg military junta, divided the country into ethnically defined regional states, each with its own legislature, executive, and courts, and including Article 39, which grants every "nation, nationality, and people" the right to self-determination up to and including secession. No other country in the world has constitutionalized a right to secession for ethnic groups, making Ethiopia's federal experiment unique in both its ambition and its risk.
For comparative scholars, Ethiopia demonstrates both the potential and the catastrophic limitations of institutionalizing ethnicity as the basis for political organization. When it worked — roughly from 1995 to 2015 — ethnic federalism produced rapid economic growth, improved public services, and relative stability in a country with deep historical grievances between groups. When it failed, it produced the Tigray War (2020-2022), one of the deadliest conflicts of the twenty-first century, which killed an estimated 300,000 to 600,000 people and displaced millions, largely along the ethnic lines that the federal system was designed to manage. Ethiopia is essential for understanding the stakes of institutional design in ethnically diverse societies: the choice between territorial and non-territorial approaches to managing diversity is not merely academic in countries where those choices determine whether people live or die.