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Dr. Edika Quispe-Torreblanca

Behavioural Science, Leeds University Business School

Inequality and Social Rank: Income Increases Buy More Life Satisfaction in More Equal Countries

EG Quispe-Torreblanca, GDA Brown, CJ Boyce, AM Wood & J-E De Neve


How do income and income inequality combine to influence subjective well-being? We examined the relation between income and life satisfaction in different societies, and found large effects of income inequality within a society on the relationship between individuals’ incomes and their life satisfaction. The income–satisfaction gradient is steeper in countries with more equal income distributions, such that the positive effect of a 10% increase in income on life satisfaction is more than twice as large in a country with low income inequality as it is in a country with high income inequality. These findings are predicted by an income rank hypothesis according to which life satisfaction is derived from social rank. A fixed increment in income confers a greater increment in social position in a more equal society. Income inequality may influence people’s preferences, such that in unequal countries people’s life satisfaction is determined more strongly by their income.

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