Happiness measure, code: O-HL-u-sq-v-5-k

Selfreport on single question:

Thinking about your own life and personal circumstances, how happy are you with your life as a whole?
5 very happy
4 happy
3 neutral
2 not happy
1 not happy at all
Focus, O-HL Overall: Happiness in Life
Time frame, u time unspecified
Mode, sq 1 question
Scale type, v verbal scale Range = 5
Used in studies