July 31, 2014, 11am PDT
Researchers from Harvard and the University of British Columbia used "self-reported life satisfaction data" from the Centers for Disease Control and Prevention to locate the cities and regions where Americans are most happy (or unhappy).
September 14, 2013, 5am PDT
According to a study by U. of Minn's Jason Cao published in the journal, Transportation, there is a positive correlation between living near light rail transit and satisfaction with life. He based it on the Hiawatha light rail line in Minneapolis.
November 15, 2012, 10am PST
Scott Bernstein joins in the Happiness Index conversation, starting with references to the Anatomy of Melancholy.