Research in the US has found that older Americans are generally happier than younger adults. The effect does not appear to be generational, because longitudinal research found that happiness increased over time for the older people who were studied. While older individuals reported more health problems, they reported fewer problems overall. Young adults reported more anger, anxiety, depression, financial problems, troubled relationships and career stress.
Source: Vedantam, Shankar (2008-07-14). "Older Americans May Be Happier Than Younger Ones". The Washington Post. http://www.washingtonpost.com/wp-dyn/content/article/2008/07/13/AR2008071301641.html?hpid=sec-health.
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