Context :

• India has improved its ranking on a global corruption index in 2018 by three points and moved to 78th position with a score of 41.
• In the list of 180 countries, China and Pakistan lagged far behind at 87th and 117th position, respectively.
• According to the rankings released by an anti-corruption watchdog, Denmark is the least corrupt country followed by New Zealand while Somalia, Syria and South Sudan are the most corrupt countries in the world.

• Corruption Perceptions Index:

• Corruption Perceptions Index of Transparency International ranks countries and territories based on how corrupt a country’s public sector and judiciary are perceived to be by experts and business executives.
• It is the most widely used indicator of corruption worldwide and it does not consider corruption in the business sector. The corruption perception index draws on 13 surveys and expert assessments to measure public sector corruption in 180 countries and territories.
• The scores indicate the perceived level of public sector corruption on a scale of 0-100. A score of 0 points that a country is perceived as highly corrupt and 100 points that a country has sound integrity systems.