https://duckduckgo.com/?iax=videos&ia=videos
The reason people in poor places are so overpopulated is they don't have resources to contribute. If you are a block of people with nothing but working for an importer, and have no real resources or farms or anything beyond a workplace, obviously you'll be poor. Why would people spend more resources to make a place that isn't sustainable, richer?
there doesn't seem to be anything here