GDP per head very happy (S,2001 prices) 100 Why does growth not increase 80 happiness in rich countries? 60 40 Table 6.17 Percentages reporting various states of happiness by income group,USA 20 Proportion of people Proportion of people with with incomes in the top incomes in the bottom quarter of the range quarter of the range %6 0 1946 State reported 1975 1998 1975 1998 Very happy 39 37 19 16 Pretty happy 53 57 51 53 Not too happy 8 6 30 31 Source:Layard(2003)