1. 1) Kahneman, D., & Diener, E. (Eds.): Well-Being: The Foundations of Hedonic Psychology, Russell Sage Foundations, New York, 1999
2. 2) OECD: How's Life? 2015 Measuring Well-Being, OECD Publishing, 2015
3. 3) Helliwell, J.F., Layard, R., & Sachs, J.D., Aknin, L.B., De Neve, J.-E., & Wang, S. (Eds.): World Happiness Report 2023, Sustainable Development Solutions Network, 2023
4. 4) Economic and Social Research Institute (ESRI): Study Group on Well-Being – Draft of Well-Being Index (in Japanese) 経済社会総合研究所, 幸福度に関する研究会－幸福度指標試案, 2011
5. 5) Smart City Institute Japan: Liveable Well-Being City Index (in Japanese)（https://www.sci-japan.or.jp/LWCI/index.html ）（2024.3.20 accessed)