"If it is happiness you are seeking a move to Denmark could be in order, according to the first scientist to make a world map of happiness. Adrian White from the University of Leicester in the UK used the responses of 80,000 people worldwide to map out subjective wellbeing.Denmark 'happiest place on earth' (BBC News – 2006/7/28)
A nation's level of happiness was most closely associated with health levels. Wealth and education were the next strongest determinants of national happiness.
Denmark came top, followed closely by Switzerland and Austria. The UK ranked 41st. Zimbabwe and Burundi came bottom. Mr. White said he was surprised to see countries in Asia scoring so low, with China 82nd, Japan 90th and India 125th" (...)
Happiness Map (pdf - 146 kb)