Finland, Denmark, and many of the world’s happiest countries are home to relatively small populations.
Billions live in mid-ranked happiness countries including India, China, and Indonesia.
Lower happiness scores are concentrated in parts of Africa and Asia, home to large and growing populations.
Methodology
Life satisfaction was measured using the Cantril Ladder, which asked people to rate their lives on a scale of 0-10, where 10 represents the best possible life, and 0 represents the worst. Rankings averaged data over three years, to better capture happiness and well-being.