The concept of Gross National Happiness seeks to address perceived shortfalls in mainstream development thinking. Gross National Happiness is intuitively attractive, yet remains to be formalized; on the other hand, Human Development indicators are highly formalized but do not allow for national, regional or cultural differences. By comparing National Happiness with the Human Development Index and its components, the paper explores the differences between them. Overall correlations between National Happiness and the HDI and its components are not strong. An analysis of data on 67 countries suggests that there are significant differences in which aspects of development correlate most highly with happiness, and these variations appear to be de...