1. World Report on Ageing and Health (World Health Organization, 2015); https://www.who.int/publications/i/item/9789241565042
2. Scott, A. J. Achieving a three-dimensional longevity dividend. Nat. Aging 1, 500–505 (2021).
3. World Population Prospects 2022 (United Nations, 2022); https://population.un.org/wpp/
4. Anderson, R. et al. Policies for an Ageing Workforce (Centre for European Policy Studies (CEPS), 2019); https://www.ceps.eu/wp-content/uploads/2019/11/Policies-for-an-ageing-work-force.pdf
5. Chen, X. et al. The path to healthy ageing in China: a Peking University-Lancet Commission. Lancet 400, 1967–2006 (2022).