Is everybody happy?
The age at which happiness is at its lowest is different around the world. In Britain, for example, happiness reaches rock bottom quite early — at 35.8 years of age — before it starts going up again. In Portugal, happiness hits its ultimate low much later — at 66.1 years of age. Below is a list of some countries and the age at which happiness hits its lowest point, based on a survey of half a million people in 72 countries by behavioral economist Andrew Oswald: