This table – from Wikipedia – calculated poverty based on the per capita GDP of the country, adjusted for purchasing power parity (PPP).
People living below the poverty line
The map gives a quick overview:
The number of people living below the poverty line is difficult to establish: partly because the definition of poverty varies so much from country to country - or isn't even defined at all. However, these figures are a starting point for your thought process.
This table – from Wikipedia – calculated poverty based on the per capita GDP of the country, adjusted for purchasing power parity (PPP).
People living below the poverty line
The map gives a quick overview: