Developmental Asymmetry, Autonomy, and Power in Adult Age-Gap Relationships: A Narrative Review

A ten-year age gap may have different psychological implications at different points in adulthood. This narrative review examines chronological age alongside developmental and life-stage asymmetry. It draws on research concerning emerging adulthood, adult personality development, social networks, age-dissimilar couples, partner support, and relational self-expansion. The reviewed evidence suggests that risk may arise when differences in experience and resources become authority, dependence, or unequal control over major decisions. Economic and social independence, reciprocal influence, nonintrusive support, and voluntary shared novelty may reduce that risk. The 22/32 versus 30/40 comparison is a theoretical illustration; no study has directly tested this contrast. The deposited file is formatted as an APA 7 professional manuscript.