Answer
Most of actresses won the Best Actress prize before 40 years old while most actors won the Best Actor prize after 40 years old.
Work Step by Step
Actresses: 22 won the Best Actress prize before 40 years old, and 11 won it after 40 years old.
Actors: 21 won the Best Actor prize after 40 years old, and 12 won it before 40 years old.