I most would like to see basic income in developing countries, though it is also needed in countries considered rich. There are many poor people in rich countries. The gap between the haves and have nots is widening everywhere. I grew up hungry all the time, without adequate protection from the cold. Sometimes we had no utilities simply because my family could not afford them. And there was always worry about things getting even worse. Meanwhile the city I lived in was and still is the richest city in this entire rich country!
These sorts of disparities are growing all over the world, with more and more people winding up in the "struggling for survival" category with each passing year.
Something must be done, or the struggle will be lost for many people, and they will die. It will be war, famine, disease, natural disaster, who knows the source. But this current economic model cannot support the lives of so many people as the machines start doing the work humans were once needed to do.