Seeking connection: a mixed methods study of mental well-being and community volunteerism among international migrants in Japan

BACKGROUND: International migration is a stressful process for which non-Western nations are a growing destination. However, little attention has been paid to the psychological well-being of international residents or their local integration in such settings. Prosocial behavior, like volunteering in one’s local community, has been demonstrated to improve mental health in native populations. Volunteerism may be a mental health promotion strategy applicable to non-native migrants as well. In order to assess such a hypothesis, this study investigated the mental well-being of international migrants living in Tokyo, Japan, who did or did not participate in formal volunteering. METHODS: This convergent mixed-methods study assessed mental well-being with the Warwick-Edinburgh Mental Well-being Scale (WEMWBS) and qualitative follow-up interviews. Migrants who contributed their time to structured volunteering roles (formal volunteers, n = 150) were recruited from local non-profit organizations. Migrants who did not formally volunteer (n = 150) were recruited from social media sites. In parallel, a nested participant sample from both groups (n = 20) were interviewed about their satisfaction with life in Tokyo. RESULTS: After adjusting for sociodemographic characteristics, volunteering was not associated with higher mental well-being score (p = 0.215), but instead, not feeling isolated (p = 0.008), feeling connected to Japan (p = 0.001) and employment satisfaction (p < 0.001) were significantly associated with mental well-being. Follow-up interviews similarly demonstrated that migrants participated in various social activities to promote personal well-being and deeper social connections with Japanese, regardless of volunteering status. CONCLUSIONS: Volunteering status itself was not significantly associated with mental well-being score among international migrants in Japan after adjusting for potential confounding variables. Beyond volunteering, having deeper social connections with the Japanese community is a key to promoting migrant mental well-being.