Study Veenhoven (2001c): study ZZ 1990 /1
- Public:
- Adults, general public, 48 nations, around 1990
- Sample:
- Respondents:
- N = 75000
- Non Response:
- Assessment:
- Interview: face-to-face
Correlate
- Authors's label
- Income per head:
- Our Classification
-
-
- Operationalization
- 'Real' GNP (actual buying power) per capita in 1989