Christianity is dead in the Uk. Completely. Nobody cares about it in the slightest, at least with regard to everyday life as mentioned above.
That IS a generalization that doesn’t count for every single last individual. Nor to imply their thoughts aren’t important.
But the view of the Archbishop is clear. Christianity is finished here and the most religious/rising influence if there is one - is Islam. A belief which further encourages the dismemberment of Christian values, as it tries to develop support for sharia (of which they already have serveral minor courts in our cities) and is succeeding in finding sympathy.
It will either end up either a muslim state, or that will be blocked by the growing wave of staunch atheists and academics. Who cling to the Dawkins/Hawking scientific approach to reality and it will fall back into a more socialist/liberal framework. Which is the very popular aim of the Labour Party, a rather anti-Semitic group at the best of times. People that have strongly captured the view/support of the youth.
The rest of Europe fares better in places (Poland for one) or to a lesser extent (where it isn’t doing so well), Spain and large areas of Germany.
It really is a bit here and there with it depending on where you live/perspective. So a comprehensive response will be challenging.