While I can read cursive just fine, I honestly struggle with 19th century (or earlier) cursive.

A long time ago I once googled it thinking it was some obsolete skill like shorthand. Turns out it’s just the joined writing they taught you when you got your pen license, which is how I still write.

It apparently got phased out of the school curriculum at some point though. So the answer to your question is possibly Gen Z or Alpha

Edit: This isn’t my first old person comment but it’s a good un

Quite a lot of people nowadays - at least not at a fluent level. I know I've gotten worse at it over time due to rarely requiring to read much of other people's handwriting or handwrite myself, to the point where even in the reasonably clear example in the article I had to stop and consider a few words. Without experience reading cursive it's noticeably harder to comprehend compared to printed text, and we've now had a whole generation grow up in a world where pretty much everything they read was printed (and usually on a screen at that) rather than handwritten.

Me. I was never taught cursive and it takes a lot of brain power and guessing to try and figure out what thigs say