Median household income in Pennsylvania is approx $73,000 [2], but median household income of Portugal is below $20,000 [3]
Sure the US has plenty of problems, but it is absolutely one of the most developed large countries in the world.
The only other large (greater than 50 million population) countries with higher developmental indicators are the UK (barely) and Germany.
[0] - https://en.m.wikipedia.org/wiki/List_of_U.S._states_and_terr...
[1] - https://en.m.wikipedia.org/wiki/List_of_countries_by_Human_D...
[2] - https://www.census.gov/quickfacts/fact/table/PA/INC110222
[3] - https://eco.sapo.pt/2023/01/13/rendimento-medio-das-familias...