According to the United Nations (UN), as of 2011, what percentage of people were living on a wage of less than $2 per day?

A. 5%, since these people don't work and earn a wage
B. 16%, as this includes children and retirees
C. 0%, as no one could survive on such a low wage
D. 48%, nearly half the world's population


Answer: D

Environmental & Atmospheric Sciences

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