Argentina has had nearly 100 years of decline, Japan is onto its third lost decade. The only other party in the UK that has a chance of being elected (because of the voting system) is lead by someone who thinks sandwiches are not real [1]. It's entirely possible the UK doesn't become a serious country in our lifetimes.
[1] https://www.politico.eu/article/uk-tory-leader-sandwiches-no...
The current actual leader of the UK decided to politicise this, in a real moist bread response:
> Prime Minister Keir Starmer — who leads a country grappling with a stagnant economy, straining public services and multiple crises abroad — in turn accused Badenoch of talking down a “Great British institution.”