Nope:
https://en.wikipedia.org/wiki/List_of_sovereign_states_by_we...
Developed-but-very-unequal, and less-developed-but-more-equal are a thing.
Also, I have my own standard (https://xkcd.com/927/):
https://en.wikipedia.org/wiki/Gini_coefficient
Do you prefer perfect equality in poverty, or some inequality and some wealth, a mixture of coexisting inequality and wealth.
Also, I have my own standard (https://xkcd.com/927/):
https://en.wikipedia.org/wiki/Gini_coefficient