Research

One-Minute Lecture: How Many Friends Does It Take to Be Happy?

You have a phone in your pocket, and in it, a hundred, a thousand, or perhaps even ten thousand friends. Stella Täht-Vaik, a doctoral student at Tallinn University, answers how many friends do we actually need to be happy.

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True friendship is like sound health; the value of it is seldom known until it be lost, wrote the English writer Charles Caleb Colton.

Studies show that for the sake of mental health, a person needs at least one meaningful, trusting, and supportive relationship. Such relationships are linked to a lower risk of depression and anxiety, as well as better health indicators and overall coping skills. It is important to emphasize that the benefit comes not from the number of relationships, but from perceived support and mutual care.

People often ask: how many friends does a person really need? A few, or even just one, is enough—as long as it provides an emotional sense of belonging and security. Social media has devalued the concept of a "friend," but social media contacts can never replace stable and deep relationships. That is why mental well-being is supported specifically by friendship that is meaningful.