I'm 37, and I still like it as much as I did when I got into it in my early teens. My mom actually just got into anime a couple of years ago. She's 66.
I've been watching anime consistently, a few episodes a day, for well over two decades, so it's just a part of my routine at this point. So I could see myself maybe watching less anime someday, but I'm not sure I'd ever stop watching it completely, any more than I'd completely stop watching movies, reading, etc...
I think it's less common for people over 40 to like anime because they didn't have the chance to grow up with it, beyond maybe a handful of dubbed anime for kids that aired on TV in their country. If they wanted to see more and really get into it, they had to buy it, choosing from a tiny selection at a local store, if they were even lucky enough to have one that carried anime nearby. And even if someone was interested, it was hard to even know what was out there, because the internet was generally terrible, and finding anything out about new anime was difficult. I remember basically just walking into stores in the late 90s and blindly buying any anime VHS with a cover that I liked, often knowing next to nothing about it beyond the summary on the back. That was the case up until the early 2000s or so, when it became easier to find out about anime as the internet improved and the online fan community grew, and it was possible to acquire anime through IRC and torrents (and even then, someone would have to be more than a casual fan to bother with that). But now we're at the point where a quick search and a few clicks can get someone virtually any anime they want through streaming, so more and more people are getting into it than ever before. I think it also helps that it's become a pretty socially acceptable and normal thing to watch, so the types of people who may have hesitated to get into it years ago (because outside of a few big titles, it was mostly seen as a thing only for kids and/or weird nerds) will be more open to watching it, leading to even more fans, many of whom will stick with it as they get older.
tl;dr - Now that anime has been easily accessible for a while, and a huge number of people casually watch it the same way they would watch anything else, I think we'll see more and more older fans as time passes, as the fans who got into anime during the streaming era start to get into their 30s, 40s, and so on. Younger fans will obviously still be here, but I do think there will be a shift toward more older fans. I've already seen it just in my time in the fandom. It used to be that finding anyone into anime over 25ish was really unusual, but now that's totally normal. |