In poorer countries, happiness levels don’t follow a U-shaped curve
Researchers observed an inverted U-shape, where middle-aged adults reported the highest level of happiness, or no significant ...
Happiness in poorer countries does not follow the typical U-shaped curve. People are often happiest in middle age
Happiness over one's lifetime has been popularly described as looking like a U-shaped curve: The joys of youth are followed ...
Need to boost population? Encourage dads to step up at home: Research finds link between fertility rates, gender roles
Fertility rates have fallen everywhere outside of sub-Saharan Africa. And they have fallen faster, and dropped even further, ...