For the past 12 years the UK economy has really struggled.
Issues such as the invasion of Ukraine and Covid haven't helped, but ultimately, our economy has been having issues that can't be blamed on these two factors. This is both because the woes in the UK economy have often predated these events and that other countries have performed significantly better despite facing the same problems.
BBC journalist Ross Atkins posted a thread outlining some of these issues after an episode of Panorama looked at the pay squeeze the whole of the UK was suffering from, and the stats make pretty poor reading.