Abstract—According to the aging society in Thailand, this study aimed to describe the elder worker management situation toward human resource management role and to explore the retirement factors of elder worker in Thai manufacturing. The quantitative approach and cross- sectional strategy were used. Five hundred and twenty-eight older workers aged above 45 years and working in the manufacturing industry in an industrial estate area were given a questionnaire in order to obtain the data. The statistics frequency, percentage, mean, standard deviation and confirmatory factor analysis were employed to analyze the data. The finding revealed that the level elder worker management was moderate. Regarding the retirement factors, the findings showed there were four retirement components; health and relation, feeling and status, policy and administration, and work return. When consider the factor loading, the most critical component was work return. For the content analysis of the open-ended question concerning elder worker management suggestions, most of the participants suggested that organizations should improve benefit packages, especially regarding medical care benefits.