Inequality in life expectancy (ILE) is defined as inequality in the distribution of expected span of life-based on data from survival tables estimated using the Atkinson inequality index. ILE can be influenced by socio-ecological indicators including the Gini coefficient, secondary education, output per worker, and old age pension. This study examined the effects on ILE from a social ecology perspective. This analysis is based on ILE data from 108 countries obtained from the United Nations Development Programme. Data on socio-ecological indicators were obtained from the United Nations database. The associations between socio-ecological indicators and ILE were assessed using correlation coefficients and multiple regression models. Significant correlations were evident between ILE and the following indicators from a socio-ecological perspective: Gini coefficient (GC: r?=?0.335, p?=?0.001) as an indicator of income inequality, female population with at least some secondary education (FSE: r?=???0.757, p?=?0.001), male population with at least some secondary education (MSE: r?=???0.741, p?=?0.001), output per worker as a measure of labor productivity (OPW: r?=???0.714, p?=?0.001), and number of old age pension recipients (OPR: r?=???0.641, p?=?0.001). In multivariate regression, the ILE predictors were higher GC and lower levels of FSE, MSE, OPW, and OPR (R2?=?0.648, p?
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