Scoring: Ethiopia

I’m not totally clear on who, if anyone, to count during the Derg, so for now I’m going solely by the List of heads of government of Ethiopia page.

• Date of joining: 1945-11-13
• Expected count from Wikipedia (Makonnen Endelkachew onwards): 13
• Number in Wikidata: 8
• PositionHolderHistory warnings: 9
• Score: 62/130 = 48%