Gini Coefficient | tutor2u Economics
Study notes

Gini Coefficient

  • Levels: AS, A Level, IB
  • Exam boards: AQA, Edexcel, OCR, IB, Eduqas, WJEC

What is the Gini Coefficient?

The Gini coefficient is a commonly-used measure of income inequality that condenses the entire income distribution for a country into a single number between 0 and 1: the higher the number, the greater the degree of income inequality.

Gini coefficient - revision video

What do the values for the Gini coefficient mean?

  • A value of 0 corresponds to the absence of inequality, so that, having adjusted for household size and composition, all individuals have the same household income.
  • In contrast, a value of 1 corresponds to inequality in its most extreme form, with a single individual having all the income in the economy
  • The latest value for the Gini Coefficient in the UK is 0.34
Gini coefficient and inequality

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