John F. Helliwell, Richard Layard, Jeffrey D. Sachs et al.: World Happiness Report 2023. In: Sustainable Development Solutions Network (Hrsg.): World Happiness Report. New York 2023, ISBN 978-1-73480-805-6, Box 2.1: Measuring Subjective Well-Being / Figure 2.1: Ranking of Happiness based on a three-year-average 2020–2022, S.32, 34–36 (englisch, 166 S., worldhappiness.report [PDF; 13,8MB; abgerufen am 20. März 2023]): “Life evaluations. The Gallup World Poll, which remains the principal source of data in this report, asks respondents to evaluate their current life as a whole using the image of a ladder, with the best possible life for them as a 10 and worst possible as a 0.” Ergänzend: data for table 2.1 (.xls)
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John F. Helliwell, Richard Layard, Jeffrey D. Sachs et al.: World Happiness Report 2017. In: Sustainable Development Solutions Network (Hrsg.): World Happiness Report. New York 2017, ISBN 978-0-9968513-5-0, Table 2.1: Regressions to Explain Average Happiness across Countries (Pooled OLS) / Technical Box 2: Detailed Information About Each of the Predictors in Table 2.1 / Figure 2.2: Ranking of Happiness 2014-2016, S.16f., 20–22 (englisch, 188 S., worldhappiness.report [PDF; 5,2MB; abgerufen am 20. März 2023]): “This is a pooled OLS regression for a tattered panel explaining annual national average Cantril ladder responses from all available surveys from 2005 to 2016. See Technical Box 2 for detailed information about each of the predictors.”
