For more information on happy life years and the WISER dashboard, see:

Burger, M. J., Courchesne, S., Greyling, T., O’Connor, K. J., Rossouw, S., Sarracino, F., & Veenhoven, R. (2026). Using Subjective Well-being as a Headline Indicator in Dashboards to Track Human Progress. Applied Research in Quality of Life, 1-27. 

Veenhoven, R. (1996). Happy life-expectancy: A comprehensive measure of quality-of-life in nations. Social Indicators Research, 39(1), 1-58.