Aoyama Gakuin University

Extraversion is declining in Japan: Evidence for the "inward-looking" trend that existed as a discourse

A comprehensive study found a consistent decline in Japanese people's extraversion from 2010 to 2021, contrasting with global increases. The trend held true for both men and women across different age groups.

SourceAoyama Gakuin University·JournalPersonality Science·TypeMeta-analysis·DateAug 17, 2026

Uncommon names are increasing globally: Reflecting an increase in uniqueness-seeking and individualism

A global trend of uncommon names has been observed in various nations, including Germany, the US, UK, France, Japan, China, and Indonesia. This increase reflects broader sociocultural changes emphasizing individuality and distinction.

SourceAoyama Gakuin University·JournalHumanities and Social Sciences Communications·TypeLiterature review·DateFeb 4, 2026