
Extreme poverty, or absolute poverty, was originally defined by the United Nations in 1995 as `a condition characterized by severe deprivation of basic human needs, including food, safe drinking water, sanitation facilities, health, shelter, education and information. It depends not only on income but also on access to services.” Currently, ex.....
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http://en.wikipedia.org/wiki/Extreme_poverty

Those who live below the poverty line, defined as half or less of the family income needed for a minimal level of food and shelter.
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https://www.photius.com/countries/brazil/glossary/index.html
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