The Phoenix Mercury are the oldest WNBA team in 2026, with an average roster age of 30.5.
According to Basketball Reference, the Mercury have the oldest roster since 2018, when the Minnesota Lynx had an average age of 31.1, and Phoenix’s average age was 30.7.
Oldest WNBA Teams 2026
| Team | Average Age |
|---|---|
| Mercury | 30.5 |
| Sparks | 30 |
| Lynx | 29.7 |
| Aces | 29.6 |
| Liberty | 29.4 |
Who Was the Oldest WNBA Team in 2025?
The Seattle Storm had an average age of 30.2, making them the oldest WNBA team in 2025. They turned their attention to a rebuild this season, fielding the third-youngest roster with an average age of 25.
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