Scoring: Zambia

• Date of joining: 1964-12-01
• Expected count from Wikipedia (all): 7 + 7 Prime Ministers.
• Number in Wikidata: 7
• PositionHolderHistory warnings: 1
• Score: 68/140 = 49%

The “Office Held by Head of Government” section is currently unaware that the Prime Minister held this position from 1973–91.