Report that discusses the high happiness and high suicide rates of the Scandinavian countries and the developed world in general.
Martela, Frank, Bent Greve, Bo Rothstein, and Juho Saari, "The Nordic exceptionalism: what explains why the Nordic Countries are constantly among the happiest in the world," JF Helliwell et. al., R. Layard, JD Sachs, & JE De Neve (Eds.), World Happiness Report (2020): 128-145
From 2013 until today, every time the World Happiness Report (WHR) has published its annual ranking of countries, the five Nordic countries – Finland, Denmark, Norway, Sweden, and Iceland – have all been in the top ten, with Nordic countries occupying the top three spots in 2017, 2018, and 2019.
Although wealthy countries, such as the Nordics, tend to have higher suicide rates than poorer countries,9 in general, the same factors that predict higher life satisfaction tend to predict lower suicide rates.