For the 12th year in a row, Norway has earned the number one spot on the United Nations' 2015 Human Development Index (HDI), released as part of its annual Human Development Report

The HDI measures countries in three basic areas - life expectancy, education and income/standard of living. Norway earned high marks in all areas to get an overall score of 0.944. Its life expectancy at birth is 81.6 years, while its gross national income (GNI) per capita is $64,992. Rounding out the top five are: Australia (0.935), Switzerland (0.930), Denmark (0.923) and the Netherlands (0.922). The HDI covers 188 countries and territories. The bottom five countries are Niger (0.348), Central African Republic (0.350), Eritrea (0.391), Chad (0.392) and Burundi (0.400). The top 20 are: Norway, Australia, Switzerland, Denmark, Netherlands, Germany, Ireland, United States, Canada, New Zealand, Singapore, Hong Kong, Liechtenstein, Sweden, United Kingdom, Iceland, South Korea, Israel, Luxembourg and Japan. As you may have guessed, white countries are generally better than non-white ones.