If economic success is a general & continuing rise of living standards among the general population, then the last 20 years in the UK have shown the UK is *not* enjoying 'economic success':
As Marcel Liukas, observes: 'while the average Briton isn’t necessarily worse off in absolute terms than 20 years ago, many are certainly no better off. This in itself is a stark contrast to the expectation of continual improvement that characterised previous generations'
#economics
https://theconversation.com/are-britons-really-poorer-than-they-were-20-years-ago-or-does-it-just-feel-that-way-254097