Loneliness is about perceived quality, not headcount
You can be lonely in a crowded office and content with three close friends. The scale measures the gap between the connection you want and the connection you have. That is why adding acquaintances rarely moves the number while deepening one existing relationship often does.
- • Frequency of contact with existing ties beats new introductions
- • Shared activity generates closeness faster than scheduled catch-ups
- • Loneliness biases you to read neutral social cues as rejection
The self-reinforcing loop
Chronic loneliness shifts social perception toward threat detection, which produces guardedness, which produces distance, which confirms the belief. Interventions with the strongest evidence target that maladaptive social cognition rather than simply increasing social opportunities.
FAQ
What score means I'm lonely?
On this 0–18 scale, 5–9 indicates moderate loneliness and 10 or above indicates severe loneliness.
Is loneliness bad for physical health?
Meta-analyses link sustained loneliness with meaningfully increased mortality risk, comparable in magnitude to several well-known lifestyle risk factors.
What helps most?
Evidence favours addressing negative social cognition, then increasing frequency of contact with people you already know, over broad social skills training or simply meeting more people.
How this calculator is built
Independently maintained
Written by Sam Doshi and the RevenueLab editorial team. We don't sell the data feeds this tool is built on.
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Benchmarks come from public AdSense / Stripe / IRS disclosures and reader-submitted data — never third-party "$X per view" claims. Full methodology.
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See our editorial policy and disclaimer. Results are estimates, not advice.