Many studies in the world have noted that children from poorer households or in ethnic minority groups, women, older people, people who are out of work, or have low educational qualifications are at an increased risk of disability. The study was to determine related factors for disability in Chi Linh district, Hai Duong province. A cross-sectional study was implemented from May 2007 to January 2008. The researchers interviewed all of 65.438 people living in seven communities of Chi Linh district, Hai Duong province. Related factors to disability in Chi Linh district, Hai Duong province include older than 40, marital status of PWDs (widowed, divorced/separated), in farm households, poor households and small household size..