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The purpose of this study is to examine the mediating effect of career satisfaction and retirement readiness on the relationship between work-life balance and life satisfaction in the life development dimension of work and retirement among middle-aged adults. In doing so, the study aims to provide useful implications in the context of career development and vocational education to increase work-life satisfaction in the life development dimension of work and retirement among middle-aged adults. To this end, descriptive statistics, normality analysis, confirmatory factor analysis, structural model analysis, and mediation effect analysis were conducted on 902 middle-aged adults aged 45 to 59 years old using stratified cluster proportion sampling, and the following results were obtained. First, work-life balance was found to have a positive effect on career satisfaction. Second, work-life balance has a positive effect on retirement readiness. Third, work-life balance has a positive impact on life satisfaction. Fourth, career satisfaction has a positive impact on life satisfaction. Fifth, retirement readiness did not have a significant effect on life satisfaction. Sixth, career satisfaction was found to mediate the relationship between work-life balance and life satisfaction. Seventh, retirement readiness did not mediate the relationship between work-life balance and life satisfaction. Taken together, these findings suggest that the role of middle-aged adults has become important in the era of low birthrate and aging population, and it is necessary to pursue life satisfaction through work-life balance and career satisfaction in their life and career development.
Lee et al. (Sun,) studied this question.