Corruption harms development and trust, but some countries have succeeded in keeping it low. These nations are known for transparent governments, strong institutions and fair systems. In 2025, the least corrupt countries stand out for their commitment to honesty and accountability. Below, we explore the top-10 least corrupt countries in the world, showcasing their efforts to maintain fairness and integrity in public and private sectors.
The Corruption Perceptions Index is a report that ranks countries based on how corrupt their public sector is seen to be. Transparency International, an organization that fights corruption, publishes this report every year.
The index is based on expert opinions and surveys, and it helps show which countries have strong institutions and which struggle with corruption.
Denmark remains the least corrupt country in the world in 2025, scoring 90 on the Corruption Perception Index. This is because of its transparent government, strong laws against corruption and high public trust. The country values fairness, honesty and accountability, ensuring a clean system. Denmark’s efforts in reducing corruption make it a great example for other nations to follow in promoting ethical governance and integrity.
Denmark, with the score of 90, stands as the least corrupt country in the world as of 2025, followed by Finland, New Zealand and Norway.
Here is the list of top-10 least corrupt countries in the world as of 2025:
| Rank | Country | Score |
| 1. | Denmark | 90 |
| 2. | Finland | 88 |
| 3. | Singapore | 84 |
| 4. | New Zealand | 83 |
| 5. | Luxembourg | 81 |
| 6. | Norway | 81 |
| 7. | Switzerland | 81 |
| 8. | Sweden | 80 |
| 9. | Netherlands | 78 |
| 10. | Australia | 77 |
India ranked 96th out of 180 countries on the Corruption Perception Index by Transparency International, scoring 38, a slight decline from its previous score of 39, when it ranked 93th. Despite anti-corruption efforts, challenges like political patronage, bureaucratic inefficiencies and accountability issues persist. India’s score is below the global average of 43, reflecting significant governance struggles.
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