1. laurier. clearly.
2. trudeau.
3. pearson.
4. mackenzie-king
5. saint-laurent
6. chretien
7. diefenbaker
8. mulroney
9. borden
10. bennett

https://www.ctvnews.ca/politics/poll-on-best-prime-ministers-of-the-20th-century-suggests-regional-divide-1.4748705