In the book , Pogge says that the poorest 46 percent of people have 1.2 percent of global income , and 826 million of them do not have enough to eat . In the book , Pogge explains that the poorest 46 percent of humankind have 1.2 percent of global income and their purchasing power per person per day is less than that of $ 2.15 in the US in 1993 ; 826 million of them do not have enough to eat .