The numbers are contrived, the questions biased, the conclusions preconceived or preordained, and the data suspect because of sample size, attributions, assumptions, and methodology. Any and every national index is like every computerized weather model. Wrong. The reason they are wrong is because as they become more meaningful to a larger constituency then the more complexities must be measured and the lesser the probability of its accuracy and applicability to a specific locale. Incidentally the economic climate has become national in scope and international in scale. To many policies are accidental in nature, prescriptive in process, and antithetical in intent. As a consequence the well being of an individual can't really be successively measured and the impacts of any decision made relative to the index is at best foolish and at their worst criminal. Stop with the indexing.
Freakonomics Blog: Happiness Index, April 10, 2012