To understand this, we need to make a distinction between what is good for the individual and what is good for the society as a whole, between the psychology of personal autonomy and the ecology of personal autonomy. In a study focused on twenty developed Western nations and Japan, Richard Eckersley notes that the factors that seem best correlated with national differences in youth suicide rates involve cultural attitudes toward personal freedom and control. Those nations whose citizens value personal freedom and control the most tend to have the highest suicide rates.