Correlational findings

Study Helliwell et al. (2018): study ZZ World samples 2005

18+ aged, general public, 157 nations, followed 7 years, 2005-2012
Survey name:
INT-GallupWorldPoll 2006-2011
N = 157
Non Response:
Interview: face-to-face


Authors's Label
Logged GDP per capita
Our Classification
Mean 12,978; SD 13,526,97
Min 275,84 Max 72.650,87
In " 2005 dollars" ; September 2013 release of the World Development Indicators (WDI)

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-l-11-c Beta = +.52 p < .01 AVERAGE Logged GDP per capita by AVERAGE Happiness

Beta controlled for:
-Democratic and Delivery Quality of Government
-Year fixed effects
C-BW-c-sq-l-11-c Beta = +.33 p < .01 Beta additionally controlled for:
- Healthy life-expectancy
- Average perceived freedom to make life    choices
- Average generosity
- Average perceived availability of social support
C-BW-c-sq-l-11-c Beta-f = +.65 p < .05 CHANGE Logged GDP per capita by CHANGE AVERAGE Happiness

Beta controlled for:
-Year fixed effects
-Country fixed effects
-CHANGE in Democratic or Delivery Quality of Government
C-BW-c-sq-l-11-c Beta-f = +.84 p < .01 Beta additionally controlled for CHANGE in:

-Healthy life expectancy
-Average perceived freedom to make life choices
-Average generosity
-Average perceived availability of social Support