“…The Young Lives Study, initiated in 2002 under the lead of the Oxford University, aims to assess the impact of a range of transformations occurring in less affluent contexts, including technological, economic, and social change. Data has been collected with 12,000 children of two age groups (6-18 months and 7-8 years) living in Ethiopia, India, Peru, and Vietnam (Dornan 2016). The World Health Organization Study on Global AGEing and Adult Health (SAGE) initiated in 2002 is a longitudinal study of adults aged 50 and over with four waves of data collected in China, Ghana, India, Russia, South Africa, and Mexico.…”