The Health and Aging in Africa: A Longitudinal Study (HAALSI) is a longitudinal study aimed to understand the health and well-being of the elderly population in rural South Africa. This study contains a variety of data types, including demographic data, health status data, health behavior data, social and economic data, and biomarker data. The study started with a baseline survey conducted between 2014 and 2015. The second wave was conducted between 2016 and 2017, and the third wave was conducted between 2018 and 2019. This work is conducted in the Agincourt Health and Demographic Surveillance System (HDSS) site in Mpumalanga province, South Africa, and is funded by NIA, South African Medical Research Council, and the University of the Witwatersrand.
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