A recent study involving millions of adults in South Korea found that people who live alone may face a significantly higher risk of suicide. They also struggle with depression and anxiety.
The study examined health records from more than 3.7 million Korean adults over a period of several years. Researchers identified individuals diagnosed with depression, anxiety, or both conditions and compared suicide rates based on their living arrangements. People were considered to be living alone if they had remained in a single-person household for at least five years.
Results showed that individuals living alone with both depression and anxiety had the greatest risk of suicide. Compared with people who lived with others and had no diagnosed mental health conditions, this group experienced more than five times the risk. Elevated suicide risk was also observed among individuals who lived alone with only depression or only anxiety, although the combination of both disorders appeared especially dangerous.
The research further revealed that middle-aged adults and men were among the most vulnerable groups. Scientists believe loneliness, reduced emotional support, and feelings of hopelessness may worsen the effects of mental illness in individuals who are socially isolated. In addition, cultural stigma surrounding mental health may discourage some people from seeking professional help or discussing emotional struggles openly.
Researchers emphasized that the study demonstrates the strong connection between mental health and social circumstances. They believe early intervention, improved access to psychological services, and stronger community support systems could help reduce suicide risk among vulnerable individuals.
The findings also highlight the need for public awareness campaigns aimed at reducing stigma around mental illness and encouraging people to seek support when experiencing depression or anxiety. Experts hope the research will contribute to more effective suicide prevention strategies in the future.



