Slide Brazil onto that list also. They too bet way too hard on perpetual oil income. The Soddies are the queens of pizzing away opportunity however. For half a century they used the oil income to party with and support trouble makers. They, along with the Ruskies, et al, just couldn’t bring themselves to spend a dime on economic development, education, or anything else that would have a long term benefit for their peoples. It’s hard to work up any kind of sympathy for this cadre of jerkopfz.
I went and looked at a UN development program PDF file. There was a chart in it. The chart showed that India, Brazil and ChiComs are expected to have the most growth, as the Western nations drop off swiftly. In both directions, it was steep, up and down.