Footnotes

1. Kelsey Nowakowski, “There are now more people over age 65 than under five – what that means,” National Geographic, 12 July 2019, nationalgeographic.com/culture/ article/global-population (accessed 6 July 2021).

2. United Nations, “World Population Ageing 2017 Highlights,” un.org/en/development/desa/population/ publications/pdf/ageing/WPA2017_Highlights.pdf (accessed 6 July 2021).

3. United Nations, “68% of the world population projected to live in urban areas by 2050, says UN,” 16 May 2018, un. org/development/desa/en/news/population/2018-revisionof-world-urbanization-prospects.html (accessed 6 July 2021).

4. Arup, Cities Alive: Designing for Ageing Communities, 2019, arup.com/perspectives/publications/research/ section/cities-alive-designing-for-ageing-communities (accessed 23 June 2020).

5. Jana Perkovic in conversation with Bree Trevena and Timothy Moore, “Imagine Ageing: Sibling × Arup,” Assemble Papers, 2019, assemblepapers.com.au/2018/07/19/ imagine-ageing (accessed 6 July 2021).