Scoring: Zimbabwe

• Date of joining: 1980-08-25
• Expected count from Wikipedia (Canaan Banana onwards): 3 + 2 Prime Ministers
• Number in Wikidata: 3
• PositionHolderHistory warnings: 0
• Score: 30/50 = 60%

The “Office held by Head of Government” is unaware of the two Prime Ministerial periods.