7 longest sitting prime ministers of Norway

1. Einar Gerhardsen - 17 years and 17 days
2. Johan Nygaardsvold - 10 years, 3 months and 5 days
3. Gro Harlem Brundtland - 10 years, 1 month and 9 days
4. Gunnar Knudsen - 9 years, 3 months and 4 days
5. Johan Ludwig Mowinckel - 6 years, 10 months and 21 days
6. Jens Stoltenberg - Incumbent
7. Kjell Magne Bondevik - 6 years, 4 months and 29 days