GDP per capita is a measure of consumption. Consumption has increased on every continent bar Africa since WW2. People are a lot less poor.

If you want an illustration of this look at this graph of the cost of 66 technologies dropping over the 1951-2013 period. That’s people getting richer.

https://ourworldindata.org/grapher/costs-of-66-different-tec...

This is increases in broad based prosperity, the same kind of thing we think about when we consider how antibiotics went from cutting edge technology to ho hum, or how air conditioning made large parts of the world amenable to industrial civilization. You know the kind that reduces poverty.