At a glance
Loneliness is the gap between the connection you want and the connection you have, so it sits comfortably in a full room. Adding people rarely closes that gap, because what is missing is being known by somebody. Dealing with it starts with how you read other people and what you allow yourself to say to them.
Clinical insights from 20+ years in psychotherapy
I’m Mark Colclough, MA, psychotherapist in Copenhagen. Qualified at the Psychosynthesis Education Trust and the University of East London. 20+ years in practice.
- Lonely is rarely the word. The individuals I work with rarely arrive saying they are lonely.
- The hope said aloud. Saying their desires out loud is often a game changer.
- Where loneliness is manufactured. What I work on first is what they expect other people to do with what they say, because that expectation is usually where the loneliness is being manufactured.
Clinical notes: These observations are anonymous and compounded from session notes since 2004.
Why do you feel lonely in a room full of people?
You feel lonely in a full room because loneliness measures whether anyone there knows you, and a headcount does not change that. You have colleagues, you get invited, you go, and you come home flatter than you went out.
- The definition. The World Health Organization’s Commission on Social Connection describes loneliness as the painful feeling that arises from a gap between desired and actual social connections.
- Isolation is separate. Social isolation is the objective lack of enough connections, and you are able to have plenty of connections while the gap stays where it was.
- General company. Pleasant talk asks nothing of you and gives nothing back.
- Being known. Being known asks you to say something true and have it land.
- The scale. The same report puts loneliness at roughly one person in every 6 worldwide, which rules out a private failure of character.

Is loneliness the same as being alone?
No, being alone is a fact about your day and loneliness is a judgement about your relationships. Confusing the 2 sends you to the wrong fix.
- Alone and content. People who live by themselves and see a few friends a month are often not lonely at all.
- Accompanied and lonely. People who live with a partner and a small child are often very lonely indeed.
- When you know almost nobody. The answer is exposure: put yourself where the same faces turn up again and again.
- When you know people and feel unmet. Exposure alone will not do it, and pushing harder at it makes the whole thing worse.
Read more about feeling disconnected from your partner.
Why is loneliness worse after moving country?
Loneliness is worse after a move because your whole social structure has to be rebuilt at once, and the rebuilt version stays thin for a while.
- No history. Nobody around you has known you for long, so nobody holds your past.
- A smaller self. In a language you learned later you are less funny, less exact and slower to the thing you meant.
- Lonelier in company. Being among people in that state is often lonelier than being by yourself.
- What the research says. A 2025 meta-analysis of 11 studies covering 166.913 immigrants put loneliness among them at 24,7 per cent.
- Its limit. The range behind that average runs from 10 per cent in a study in the United States to 50 per cent in one in Germany, and none of the pooled studies was Danish.
Read more about culture shock and therapy in your second language.
Does going out more fix loneliness?
Going out more does less than you expect, and the strongest evidence points to how you read other people.
- 4 kinds of help. A meta-analysis of loneliness interventions sorted them into improving social skills, enhancing social support, increasing the chance of social contact and addressing maladaptive social cognition.
- What worked best. Among the randomised comparisons, the most successful interventions were the ones working on social cognition, which means the way a lonely person reads other people.
- What loneliness teaches. You learn to read a neutral face as cool, a short reply as rejection and your own contribution as unwanted.
- The order. Working on that reading first is what makes the socialising you then do count.
- Therapy on average. A 2021 review of 28 randomised trials covering 3.039 people found that psychological therapy reduced loneliness compared with control groups, with a small to medium effect.
- Its limit. Results varied a great deal between those studies, so the review says nothing about how much therapy will do for you.
Going out more when the going out is not working is how people end up deciding that they are the problem. I read loneliness as information: the contact you are getting is not the contact you need.
How do you deal with loneliness that company does not touch?
You deal with loneliness by deepening the contact you already have before you add more of it.
- Look inside your conversations. Notice what happens in the conversations you already have, and what stops you saying the true thing in them.
- Say one true thing. This week, in a conversation you were going to have anyway, say one real detail about how your week went, slightly more specific than you would normally risk.
- Watch yourself. Watch what happens in you and leave the other person’s reaction alone.
- Mind the distance. The discomfort is usually yours and the response is usually fine, and the distance between those 2 facts is the thing to work on.
- Name the hope. Before an evening out, say to yourself what you are hoping will happen in it.
- Choose depth. Put the effort into one or 2 existing relationships before you look for new ones.
- Choose repetition. Groups help most when they are repeated, small and built around doing something.
Read more about homesickness.
These steps fail when you already expect the true thing to be unwelcome and so never say it. That is what the session is for.
Questions people ask
Why do I feel lonely when I have friends?
Loneliness measures the quality of connection and ignores the number of people in it. When nobody in your friendships knows what your week has been like, the gap stays open.
Does joining more clubs and groups fix loneliness?
Sometimes, and less often than people hope. Groups help most when they are repeated, small and built around doing something.
Is loneliness worse for people living abroad?
It is common among immigrants in the pooled research, and the individual studies vary widely. Nobody here has known you long, and you are being yourself in a language that came later.
How long does loneliness last?
There is no honest timetable, and anyone offering one is guessing. Loneliness after a move usually eases as repeated contact builds.
Can therapy help with loneliness?
The pooled trials say it helps on average, with a good deal of variation between studies. The work is about what you expect from other people and what you allow yourself to say to them.
You may also find these helpful
Sources
- World Health Organization, Commission on Social Connection, From loneliness to social connection: charting a path to healthier societies, 2025
- Masi, C. M., Chen, H. Y., Hawkley, L. C. and Cacioppo, J. T., A meta-analysis of interventions to reduce loneliness, Personality and Social Psychology Review, 2011
- Hickin, N. et al., The effectiveness of psychological interventions for loneliness: a systematic review and meta-analysis, Clinical Psychology Review, 2021
- Salari, N. et al., Global prevalence of loneliness in immigrants: a systematic review and meta-analysis, Asian Journal of Psychiatry, 2025
How this article was written. I choose the subject and the angle. An AI assistant researches and drafts. Nothing is published until I have read it, corrected it and stood behind every clinical statement in it. The professional and clinical judgement is mine and mine alone.