For further details, see www.ipeadata.gov.br. In other words, 39.92% of the Brazilian population was below the poverty line used in this study, while 17.76% of these people were living in extreme poverty. The lowest amount to be registered, 160.13 reais, was for Piaui in 1983, while the highest, 1,266.63 reais was for Sao Paulo in 2012.