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Subjective age and personality development: a 10-year study.

Yannick Stephan1, Angelina R Sutin, Antonio Terracciano

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Feeling younger is linked to personality growth. A younger subjective age predicts increases in openness, conscientiousness, and agreeableness, influencing personality development over time.

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Area of Science:

  • Psychology
  • Gerontology
  • Personality Science

Background:

  • Personality development research traditionally centers on chronological age.
  • The role of subjective age in personality development remains less explored.
  • Individual differences in personality are influenced by biomedical and psychosocial factors.

Purpose of the Study:

  • To investigate subjective age as a marker for personality development.
  • To examine the association between subjective age and personality stability/change.
  • To analyze the dynamic relationship between subjective age and personality traits over a decade.

Main Methods:

  • Utilized longitudinal data from the Midlife in the United States survey (N=3,617).
  • Employed regression analyses to assess associations between subjective age and personality traits.
  • Examined personality changes and stability over a 10-year period.

Main Results:

  • A younger subjective age at baseline correlated with increased Openness, Conscientiousness, and Agreeableness.
  • Rank-order stability of Extraversion and Openness was higher in younger subjective agers.
  • The rate of subjective aging influenced overall personality profile consistency.

Conclusions:

  • Subjective age, beyond chronological age, is a significant factor in personality development.
  • Feeling younger is associated with positive personality changes and stability.
  • Subjective age influences how individuals think, feel, and behave over time.