Happiness Measures Characteristics Code: D-LS-c-sq-n-11-a Focus: Inequality in happiness: keyword Life Satisfaction (D-LS) Time frame: currently (today, these days, presently) (c) Mode: 1 question (sq) Scale Type: numeric scale (n) Scale Range: 11 Description Standard deviation of responses to 0-10 single question like "How satisfied are you with your life as a whole these days? List of Studies Using this Measure Study Population N Statistics Niimi (2018): study JP 2013 20-69 aged, general public, Japan, 2013 N = 3257