Based on current 20-man projected rosters these are the youngest teams in the NHL (using average age).

1. Buffalo - 25.9
2. Columbus - 25.9
3. Detroit - 26.1
4. New Jersey - 26.1
5. Anaheim - 26.3
6. Ottawa - 26.3
7. NY Rangers - 26.4
8. Arizona - 26.5
9. Vancouver - 26.5

— CapFriendly Depth Charts (@CF_DepthCharts) July 18, 2022