In the UK John Wick: Chapter 3 - Parabellum is rated 15, in the US I believe it is R.
Can someone explain this to me? This is one of the most horrifically violent films I've ever seen! Literally hundreds of people are beaten, stabbed and shot to death. The film is one big fight split over a few different backdrops. (Sorry if that's a spoiler for anyone).
Perhaps I don't understand the certification process well enough but this seems like the most clear cut candidate for an 18 certificate I've ever known.