### Correlational finding on Happiness and Current age (in years)Subject code: A04ab

 Study Olgiati et al. (2013): study ZZ Western nations 2006 Title Are Migrants Going Up a Blind Alley? Economic Migration and Life Satisfaction around the World: Cross-National Evidence from Europe, North America and Australia Source Social Indicators Research, 2013, Vol. 114, 383 - 404 DOI DOI: 10.1007/s11205-012-0151-4 Public 15+ aged general public, 16 Western countries, 2006-2011 Sample Probability multi-stage random Non-Response Respondents N = 51004

 Correlate Author's label Age and age squared Page in Source 392 Our classification Current age (in years), code A04ab Operationalization a: age in years b: age squared Observed distribution M= 51.4

 Observed Relation with Happiness HappinessMeasure Statistics Elaboration/Remarks O-SLW-c-sq-n-11-a b=-.04 p < .001 AGE IN YEARS O-SLW-c-sq-n-11-a b=-.04 p < .001 AGE SQUARED B controlled for: - ln income - foreign born - ln income*foreign born - gender - marital status - household size - religion - satisfaction with health - country of residence - survey round C-BW-c-sq-l-11-a b=+.00 p < .001 AGE IN YEARS C-BW-c-sq-l-11-a b=+.00 p < .001 AGE SQUARED B additionally controlled for: - being unemployed

Appendix 1: Happiness measures used
 Code Full Text C-BW-c-sq-l-11-a Selfreport on single question:Here is a picture of a ladder. Suppose we say that the top of the ladder represents the best possible life for you and the bottom represents the worst possible life for you. Where on the ladder do you feel you personally stand at the present time? [ 10 ] best possible life[ 9 ] [ 8 ][ 7 ][ 6 ][ 5 ][ 4 ][ 3 ][ 2 ][ 1 ][ 0 ] worst possible life Preceded by 1) open questions about what the respondent imagines as the best possible life and the worst possible life. 2) ratings on the ladder of one's life five years ago and where on the ladder one expects to stand five years from now.Name: Cantril's self anchoring ladder rating of life (original) O-SLW-c-sq-n-11-a Selfreport on single question:All things considered, how satisfied are you with your life as a whole these days?0 dissatisfied12345678910 satisfied

Appendix 2: Statistics used
 Symbol Explanation b REGRESSION COEFFICIENT (non-standardized) by LEAST SQUARES (OLS)Type: test statisticMeasurement level: Correlate: metric, Happiness: metricTheoretical range: unlimitedMeaning: b > 0 A higher correlate level corresponds with a higher happiness rating on average.B < 0 A higher correlate level corresponds with a lower happiness rating on average.B = 0 Not any correlation with the relevant correlate.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl