| Selfreport on single question: Overall, how happy would you say you are currently? 10 very happy 9 8 7 6 5 4 3 2 1 0 very unhappy | |
| Classification | |
| Focus, O-HL | Overall: Happiness in Life |
| Time frame, c | currently (today, these days, presently) |
| Mode, sq | 1 question |
| Scale type, n | numeric scale Range = 11 |
| Used in studies | |
| Reference | Niimi (2018): study JP 2013 |
| Title | What Affects Happiness Inequality? Evidence from Japan. |
| Public | 20-69 aged, general public, Japan, 2013 |
| Findings | distributional: no, correlational: no |
| Reference | ~Well-Being Study Unit (2012a): study JP 2012 |
| Title | Initial investigation on the data from the Quality of Life Survey FY2011. |
| Public | 15-69 aged, general population, Japan, 2012 |
| Findings | distributional: yes, correlational: yes |