In terms of the Human Develompment Index https://en.wikipedia.org/wiki/List_of_countries_by_Human_Development_Index (which seems like a better measure of “success” than just GDP), some countries (including large ones like Germany and the UK) score above the US but others score lower. Most of Asia (except for Singapore, Hong Kong and Japan) scores lower.
For the military aspect, it kind of depends on what you mean by “failed”? Europe is clearly not as militarily capable as the US, but it also seems quite questionable whether spending as much as the US on military capabilities is a good choice, especially for allies of the US who also possess (or are strongly connected with) other countries who possess nuclear deterrence.
I am speaking purely as an speculating layman, but hasn’t Europe failed economically and militarily compared to American and Asian countries?
If you go by GDP per capita, most of europe is behind the US but ahead of most of Asia https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)_per_capita (growth rates in Asia are higher though, so this might change at some point in the future.)
In terms of the Human Develompment Index https://en.wikipedia.org/wiki/List_of_countries_by_Human_Development_Index (which seems like a better measure of “success” than just GDP), some countries (including large ones like Germany and the UK) score above the US but others score lower. Most of Asia (except for Singapore, Hong Kong and Japan) scores lower.
For the military aspect, it kind of depends on what you mean by “failed”? Europe is clearly not as militarily capable as the US, but it also seems quite questionable whether spending as much as the US on military capabilities is a good choice, especially for allies of the US who also possess (or are strongly connected with) other countries who possess nuclear deterrence.