Although each individual is different, his research suggests that openness to experience peaks around the age of 19. 12 Such findings suggest that while younger people may be more willing to embrace change, this openness to new ideas and experiences may progressively decline as people age.

Does Openness increase with age?

The average change in Openness was fairly small, but showed a slight increase with age, but there were individual differences in change: 12.6% of people decreased, 17.5% increased, 69.9% did not show reliable change.

How do you increase Openness?

Adding variety in daily choices may help bring out the openness-to-experience side of your personality. Engage your intellect and cognitions: A thirst for knowledge and an interest in new information may come more naturally to some than to others.