The term "Poor World" is not a commonly used phrase, but it could refer to developing or underdeveloped countries that are struggling with poverty and economic hardship. Full definition
This is especially true in the information rich but time - poor world of today. (growthengineering.co.uk)
It's important because we are in danger of forgetting what's been lost; and is being lost; and settling for the much poorer world that follows earth - abuse. (dotearth.blogs.nytimes.com)
That poses an immense problem for the rich and poor world alike. (religion-online.org)