1. On the poverty and corruption, let's ask the Brazilians if they are unhappy about those and would like to protest:
https://en.wikipedia.org/wiki/2013_protests_in_Brazil
2. On the sewage: A large part of Brazil's sewage-system is located at the surface in canals and the sewage is lead untreated into rivers and from there into the sea. Contact with this untreated sewage regularly leads to health-problems for poor people.
http://www.businessinsider.com/medieval-brazils-sewage-system-is-comparable-to-london-or-paris-in-the-14th-century-2015-9?IR=T
Fernando Garcia de Freitas has written several reports tracking the health, financial and public policy fallout from Brazil's sewage woes for the pro-sanitation organization Trata Brasil.
"We're talking about nearly 100 million people who are subject, in varying degrees, to this sort of underdevelopment," said Freitas, the expert who called the current sewage system "medieval."
"The effects of our backwardness in sewage treatment goes far beyond the most obvious and easily perceptible one — pollution," Freitas said. Exposure to sewage, he said, "affects people's physiology, it affects their psychological development, harming their intellectual development and then their professional development."
...
Brazil is the world's seventh-largest economy, but ranked 84th for access to water and sanitation in last year's Yale Environmental Performance Index of 178 countries, trailing such nations such as Turkmenistan, Moldova, Albania, Syria and nearby Chile.
Rapid urban growth in recent decades, poor planning, political infighting and economic instability are largely to blame, experts say.
3. The rate of poverty reduction does not give information about the absolute amount of poverty.
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