The age of lowest optimism varies from one country to another
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:
United States 44.5