Corruption – No country in the world collectively values dishonesty and holds it up as a virtue. People don’t want fraud, theft, bribery, and other manifestations of corruption in their economic, judicial, or financial systems. People all over the world want to live in a trustworthy society.
The reason why Scandinavian countries dominate top lists of happy nations is that those countries match the variables that are set by UN to judge happiness. UN uses six variables: income, healthy life expectancy, having someone to count on in times of trouble, generosity, freedom, and trust ( absence of corruption in business and government).