Scandinavian countries always lead international rankings based on health and happiness. A very comprehensive, decade-long new study offers no exception: Iceland and Sweden share the top slot with Singapore as world leaders when it comes to health goals set by the United Nations. Using the UN’s sustainable development goals as guideposts, which measure the obvious (poverty, clean water, education) and less obvious (societal inequality, industry innovation), more than 1,870 researchers in 124 countries compiled data on 33 different indicators of progress.