Question

Can anyone say who is poorest person in the world?

Answer 1

This is impossible to find economically the poorest person in the world.So,The poorest person may be found by surveying

Answer 2

There are a lot of persons with zero i.e. no money. Minimum value can be zero. Its easy to reach to minimum of something rather than maximum. So, there are a lot of them.
Speaking Humorously I think, its Kejriwaal