According to the most recent version of the National Health Survey (PNS 2013, in Portuguese), 21.4% of the Brazilian population above 18 years were diagnosed with hypertension. A larger proportion of women (24.2%) self-reported the diagnosis compared with men (18.3%). The proportion of people living with hypertension increased with age reaching a peak of 55.0% among people aged 75 and over, followed by the proportion of 52.7% among those between 65 and 74 years old. Among those 60 and 64 years old 44.4% had a diagnosis of hypertension and among those aged 30 and 59 years it was 20.6%. Hypertension was mostly diagnosed among black people (24.2%) followed by white (22.1%) and mixed race people (20.0%) (Brazilian Ministry of Health, 2013b).

References:

Brazilian Ministry of Health. (2013b). Pesquisa Nacional de Saúde 2013: Percepção do estado de saúde, estilos de vida e doenças crônicas. https://biblioteca.ibge.gov.br/visualizacao/livros/liv91110.pdf