This article was posted in another thread but it says that the 6600 figure is for North America which includes the 1500 Circuit editions plus 5100 Core Versions. There will be another 2000 for the rest of the world (Japan, Australia, NZ)

Toyota To Build 6,600 GR Corollas For U.S., 2,000 Globally For 2023MY, Dealers May Only Get 3 Cars Each | Carscoops
May the rally gods be with all of us vying for Toyota's GR Corolla that's becoming this year's hottest commodity
