To be happy, make sure you are either poor enough to not have to do much and have lots of time on your hands or stuck in the middle income rat race happily dreaming that you will be rich one day. That is if the middle income earners are not taxed to the hilt in a high income country that they lose sight of that dream. : P
Daily chart: which countries have the happiest people? The world is happier than before the financial crisis. The most cheerful citizens tend to live in poor and middle-income countries, while the gloomiest are in rich ones.