Most of the Federation's population, which was now less than about 6 billion, remained on Earth after many had already left for the Galactic Domain, a place about which they still had no real idea. Those who left there would likely not be returning after going through who knows what.
Though they were still expecting that at least some percentage of them would return. After all, without them how could the Federation truly push itself forward and rise as an interstellar civilization? Though many considered joining the Void Fleet formally, there was division among the people, and some preferred holding onto their own power, so it wasn't done yet.
