Although this is my own thinking, and don't at me in like ten years, but by 2035 I imagine all the 80s act are nearly in (maybe minus a Steve Winwood/ABC/Survivor types that maybe might be very small chance then) and we would be done with 60s and 70s minus any side introductions (perhaps an ELP/Styx/REO if they are missed and still have anything going) and maybe about 1/2 to 3/4 through the 90s. And fully into the rest of the '00s acts and maybe '10s by then (But personally there isn't anyone from the '10s yet that seem ready that isn't someone from earlier but was big then a la Adele type. Maybe by the end of 2030s we are into BTS/Sabrina Carptenter/Billie Eillish types.)
And within that '00s group, we probably see a Train/Matchbox Twenty/Nickelback fighting for one space (Although I suspect personally Nickelback despite the meme would be inducted).
Ten years is about right. If the Hall averages 8 "Performer" inductees for the next ten years, that's 80 which is about everybody that is remotely plausible for induction in 2027 - with the acts further down among that 80 benefiting year-after-year as the ballot weakens. In the meantime, they'll be joined by 10-15 newly eligible, mainstream artists with a great shot as well.
Right now, the Hall is averaging like 9-10 a year thanks to the side-door inductions of names like Queen Latifah, Warren Zevon, Gram Parsons, etc.
But I think the committee, by that point, is more apt to consider Flaming Lips than they are to consider matchbox twenty, etc.
Although late '90s and '00s are the look back right now, minus the few clear inductees (Missy Elliott, Enimem, White Stripes) I think we're still a good maybe decade plus out from really needing to worry about the "lesser" acts of '00s (like Matchbox Twenty, Creed, Nickelback, etc).
There's still more than enough from the 60s to the 90s to clear out first, then along side those like the big stars of the '00s like P!nk and Beyonce/Lady Gaga first.
change the nomination system. Instead of genre elections we could create era elections. Maybe 50s/60s/70s artists - 80s/90s - 2000s/10s and keep the newly eligibles.
I'm tired of the annual genre discussions. Merging different genres into a super genre like Alternative/Punk/Electronic/maybe even Pop contradicts the idea of genre elections. My idea back then was to create an even bigger number of different genres to be sure that a wide range of the musical spectrum is represented on the ballot. Maybe we should try general nominations only, I don't know.