Combining data on around four million respondents from the Gallup World Poll and the US Daily Tracker Poll we rank 164 countries, the 50 states of the United States and the District of Colombia on eight wellbeing measures. These are four positive affect measures - life satisfaction, enjoyment,...

Across many studies subjective well-being follows a U-shape in age, declining until people reach middle-age, only to rebound subsequently. Ill-being follows a mirror-imaged hump-shape. But this empirical regularity has been replaced by a monotonic decrease in illbeing by age. The reason for the...