Social Media Use and Loneliness Among Young Adults: Beyond Screen Time to Social Context and Patterns of Engagement

Abstract

Research on social media and loneliness has produced mixed findings, partly because studies often treat use as a single quantity rather than distinguishing the activities and social conditions involved. This integrative review examines how patterns of social media engagement relate to loneliness among young adults. It synthesizes recent peer-reviewed reviews, cohort research, qualitative studies, and cross-sectional investigations, with emphasis on publications from 2024 to 2026. The literature does not support a simple conclusion that social media either causes or prevents loneliness. Total time online is an inconsistent indicator, while compulsive use, cybervictimization, comparison, and passive exposure may be associated with poorer experiences in some contexts. Direct communication, maintaining existing relationships, and purposeful participation can support belonging, although active posting does not guarantee connection. Recent cohort evidence suggests that the type of online experience may matter more than use of particular mainstream platforms, while a 2026 meta-analysis reports a stronger association between problematic use and loneliness than between time spent and loneliness. The review proposes a context-and-engagement framework linking individual motives, interaction patterns, relationship quality, platform affordances, and offline circumstances. It recommends that researchers measure specific behaviors and longitudinal change rather than relying on screen time alone. Because the evidence remains heterogeneous and predominantly observational, causal claims should be cautious. The review also identifies a need for cross-cultural research, including studies in underrepresented linguistic and national contexts.
Keywords: social media; loneliness; young adults; social connection; problematic use