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The Brazilian Longitudinal Study of Aging (ELSI-Brazil) collects data on a nationally representative sample of community-dwelling adults aged 50 years or older. The first wave of ELSI-Brazil was conducted in 2015-16 and the second wave in 2019-21. The third wave is planned to occur in 2023. The core cross-sectional data of the first two waves are available on this homepage for the research community after registration.