pathway · Public research summary
Social isolation, loneliness and depression
Persistent loneliness and few social contacts are associated with higher rates of depression and anxiety in longitudinal cohorts, particularly in later life.
Educational only. Associations do not establish individual risk or diagnosis. Read the original sources and limitations.
Illustrative pathway
Social isolation & loneliness → Depression & anxiety
Relationship
Association: Observed together; causation not established.
Evidence and uncertainty
Cohort studies; moderate uncertainty.
Summary
Persistent loneliness and few social contacts are associated with higher rates of depression and anxiety in longitudinal cohorts, particularly in later life.
Limitations
Direction runs both ways — low mood withdraws people from contact. Loneliness is measured with different scales across countries and cohorts.
Data status
Synthetic illustration only. Map widths are not patient counts, prevalence, study effect sizes or personal risks. A paper does not validate every arrow.
Regional browsing relevance
Global; Europe; North America; Australia, NZ & Pacific; East Asia