Correlational subject: Time trend of happiness in age categories

List of Findings on this Subject

Correlate as named by investigator

People investigated

Finding

Age

18+ aged, general public, Ireland, 1981-2002

Age

15+ aged general public, Germany, 1986-2007

Age

18-65 aged general public, Germany, followed 16 years, 1994-2009

Trend in internet use

20+ aged general pubic, Israel, 2003-2012

Period (time sequentional analysis)

25-74 aged, USA, samples in 1971-75 and 1981-84