Study Ott (2020): study ZZ 2005
- Public
- 15+ aged, general public, 156 nations, 2005-2019
- Survey name
- INT-Gallup World Poll combined waves
- Sample
- Respondents
- N = 1849000
- Non Response
- Assessment
- Face-to-face + Telephone
Correlate
- Authors's Label
- GDP per Capita
- Our Classification
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- Remarks
- Source: World Development Indicators (WDI) Data found in: World Happiness Report 2020: Page 16,17; Table 2.1 + Data; +Technical Box 1.
- Operationalization
- GDP per capita in purchasing power parity