In 2024 in America, there have been 133 children killed or injured by gun violence at school. With about 74 million legal children, that’s 0.000798%.
I couldn’t find 2024 statistics, but in 2023 there were 391 gang-related gun deaths in Sweden. With about 10 million people, that’s 0.00391%.
America has gun problems for sure, but school shootings are largely irrelevant compared to deaths from crime and accidents. And it’s not “clear” that you have “a very different set of values” in Europe when we’re discussing a nearly 10 year wave of gun violence in a European country
Balancing out taxes are lower and inflation is lower in the US.
Answering your question:
Adjusting by PPP, US is second only to Luxembourg
https://en.m.wikipedia.org/wiki/Median_income