“…Over the past 50 years, it has gained considerable popularity (Katz & Calasanti, 2015;Wahl, 2020). Many scholars from different countries continue to work within this framework -China (Chang et al, 2023), Spain (Blanco-Molina et al, 2021), Israel (Goshen et al, 2022), Singapore (Feng & Straughan, 2017), India (Bandyopadhyay & Singh, 2023), other Asian countries (Tannistha, 2018), etc. They continue intensive research on different groups of older people living in different countries to test the hypotheses of "successful ageing".…”