The reasons for this distribution started off as geographic ones: The North region is almost completely covered by the biggest forest in the world, the Amazon Rainforest: Rendering it inhabitable in most parts. As for the Northeast Region, the Caatinga Biome is present. read more
Also a big part of northeast lacks water, giving space for droughts. This environment is not good for business, or for living btw. The south, beside its history, has or had good supply of water, it was overpopulated with people from the Northeast immigrating to the south is search for a better life. read more
Their 45m people, 28% of Brazil's total, include almost half its poor. Applying the United Nations' human-development criteria, southern Brazil approximates the poorer countries of Europe; the north-east is more like those of Africa. read more