The loneliness caused by globalization after the COVID-19 pandemic needs to be redefined.

Dear Editor, Loneliness is a common experience and is often a complex and unpleasant response to isolation or lack of companionship [1]. About 80% of people under the age of 18 and 40% of adults over the age of 65 reports feeling lonely at least sometimes [1]. Loneliness represents perceived social isolation, so we can say that people can live relatively solitary life and not feel lonely, and on the contrary, they can have a seemingly rich social life and still feel lonely. [...]