Happiness measure, code: O-HL-ly-sq-v-4-b

Selfreport on single question:

During the past five years, how happy have you been?
4 very happy
3 fairly happy
2 not much happy
1 not at all happy
- don't know
Focus, O-HL Overall: Happiness in Life
Time frame, ly last years
Mode, sq 1 question
Scale type, v verbal scale Range = 4
Used in studies