Due to greater economic stability, living in developed countries are happier then those in developing countries. argue for this statement. give relevant examples to support your argument.

Here is a structure on how to

1. Think of two examples: Maybe you think that developing countries does not have as much art  - which does contribute to the happiness of the people. 
Second, maybe the living conditions.

2. Research to add credibility. 

There is higher level of medicine, education, social protection and so on in developed countries. Besides the unemployment rate is lower in developed countries than develop countries. The higher the level of people's lives, the people happier. For example, peaple are happier in USA, Italy, Canada and so on than in Africa, India, etc. But it is also necessary to note that everyone is "architect of his own happiness."