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Data Starter: Corruption Perceptions Index 2024

Elizabeth Veal

25th March 2025

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Which countries are the least and most corrupt in the world?

Using this data from Transparency.org, answer the following questions:

  1. What is the difference in Corruption score between (a) the most and least corrupt countries (b) the UK and South Africa, and (c) the USA and China?
  2. By how much would the average of the three most corrupt countries have to improve to match the average of the UK, USA and China?

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Elizabeth Veal

Liz has taught Economics for over 25 years, including several years as Head of Economics at leading schools.