Denmark and Norway lead the World’s happiest countries ranking composed by the UN. Ukraine occupies the 87th position. Ranking was published at the UN web site, reports ForUm. Denmark, Norway, Switzerland, the Netherlands and Sweden occupy the top lines of the rating. In total, ranking includes 150 countries. It was compiled by the experts in the field of economics, psychology, statistics, and other fields of science. Experts chose six factors as the evaluation criteria the: real GDP per capita, healthy life, the ability to rely on someone in the immediate environment, the subjective degree of freedom in making life decisions, protection from corruption and generosity. As reported, Luxembourg is the healthiest nation on Earth, while Iceland is the safest.