Interesting video, albeit with some numbers that seem to contradict those presented by Wookieepedia in the case of Coruscant. I'd have thought there'd be at least thousands of trillion plus-person planets located throughout the galaxy, though.
I think there might be, but we do not know of them as they have not been mentioned yet.
That sounds fair, I suppose. Statistically speaking, I'm sure more of those planets exist as said before.
But perhaps the people in charge of creative development fear they'd take away from its perceived importance to the audience by introducing more overpopulated city-worlds to the franchise?
Here's a video I've known for a while, but have just decided to insert here. It has Sabaton music in the background as well, and is more of a tribute much like the content I've posted in the early stages of this thread.