Income inequality and population health

Ken Judge, Jo-Ann Mulligan and Michaela Benzeval

Social Science & Medicine, vol. 46, issue 4-5, 567-579

Abstract: A number of studies have suggested that inequalities in the distribution of income may be an important cause of variations in the average level of population health among rich industrial nations. However, what is missing from the debate so far is any systematic review of evidence about the relationship between different measures of income distribution and indicators of population health. This paper aims to bridge that gap. First, it summarizes the recent English language literature on this topic and illustrates the methodological problems that weaken the inferences that can be derived from it. Secondly, it presents new empirical estimates of the relationship between different measures of income distribution, infant mortality and life expectancy based on the most authoritative data published to date. In contrast to most earlier studies, we find very little support for the view that income inequality is associated with variations in average levels of national health in rich industrial countries. Some possible explanations for these differences are outlined.

Keywords: inequality; income; distribution; life; expectancy; infant; mortality; OECD; countries (search for similar items in EconPapers)
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