| Publication |
| Author(s) | Leepin, P. |
| Title | Le Monde Entier Interviewé. (The Entire World Interviewed). |
| Source | La Baloise, Groupe des Assurances, 1978, Bâle, Switzerland |
| Investigation |
| Public | 15+ aged, general public, 14 countries, 1974-1976 |
| | Switzerland, Germany, France, Italy, The Netherlands, Belgium, Luxembourg, Denmark, Sweden, Norway, Finland, Great Britain, Japan, India
Data: Gallup/Kettering World Survey |
| | 1974-1976 |
| Survey name | Not available |
| | Gallup/kettring World Survey |
| Sample | Not available |
| | Probability area sampling.
|
| Respondents N = | 2659 |
| Non Response | Not available |
| Assesment | Questionnaire: paper |
| | Conducted in different countries. |
| Happiness measure(s) used |