Not even the highest rated broadcast television show gets more than 22. A number of them even do fewer than this, and such was the case well before Voyager ended.I hope for 26 just because Star Trek has so many different modes and I like the variety. You get great though provoking, comedic, touching, painful and just totally off the wall (or deep end) and so much more. It's a whole experience.
I imagine it's more likely though that it will be 13.
I honestly think that 26 episode run led the producers of the last two shows to be lazy and pad everything up with more dumb episodes. Take Enterprise's 3rd season for example, which was an season long arc, but the first two-thirds was full of more filling than a box of Twinkies. There was the episode that was the Westerner thing that went nowhere, the Rajiin one that...I honestly don't even remember much about, the alien hatchling that turned Archer crazy and got us another mutant copout plot....hell, TIIC had that stupid pissing match between Reed and the MACO Hayes, which could've been a good clash against fundamental ideals of the two organizations....except this was only the second time they'd ever been in an episode together and they didn't even speak directly to each other in the ONE scene they shared.
Nope, I'm fully behind keeping the season to well under 20 until and unless the writers prove they can handle more.