https://ift.tt/2wwdHAe In World’s ‘Happiest’ Countries, Signs of a Happiness Gap Happiness, Mental Health and Disorders, Research In the five Nordic countries, an average of 12.3 percent of the population is “struggling” or “suffering,” according to new research. MARTIN SELSOE SORENSEN https://ift.tt/2MxuhXX August 26, 2018 at 05:30AM