The concept of poverty is central to any discussion about progress, human development and wellbeing. Extreme poverty is defined as average daily consumption of $1.25 per day and, in reality, means living on the edge of subsistence. Value for developing nations only.

Values for Brazil, Mexico, China, India, Bangladesh and Saudi Arabia represent only the tropical region of those nations.

Source: United Nation World Population Prospects: the 2012 Revision | Data: State of the Tropics Data

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