Gross national happiness is indicator of happiness that measures the happiness of people in the country. it does not focus on the economic growth but focus about the real happiness of population. Example about the education in Thailand, children have to study with full timetable and they have many rules for control the children. That make the children unhappy because they have to study hard in one day and they feel like they do not have the freedom. But in the US, they give more freedom to their children such as children study half a day and children can choose the activities that they want to do for practice by themselves. That make the US’s children were happy, enjoy and have more success to study.