This is an interesting Fast Company infographic which maps overall happiness levels to countries around the world. You can see a direct correlation between happiness and GDP/wealth.
An important point, however, is that there are diminishing returns to money and happiness. Once you have your basic needs met, more money doesn’t generally drive happiness to even higher levels. What does? A sense of purpose, relationships and experiences.
Kevin Kruse is a NY Times bestselling author and keynote speaker. Get more success and tips from his newsletter at kevinkruse.com and check out keynote video clips. His new book, Employee Engagement 2.0, teaches managers how to turn apathetic groups into emotionally committed teams.