This study aims to examine the relationship between self-esteem and fear of missing out (FoMO) among mothers in West Sumatra. FoMO is characterized by anxiety or fear of missing important experiences, especially those seen on social media. A total of 385 mothers aged 18–40 who actively use social media participated in this study. Using a quantitative correlational method and purposive sampling, data were analyzed through Pearson Product-Moment correlation. The results showed a significant negative relationship between self-esteem and FoMO (r = -0.622, p < 0.05). These findings suggest that mothers with lower self-esteem are more prone to FoMO. The study highlights the importance of self-perception in the digital age and provides practical implications for mental well-being among adult women.
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