How many humans are currently in the Reptilian, Arcturian, and Anunnaki slave colonies, respectively? Which one gets the highest traffic of newcomers as replacements?

The numbers are approximately 50,000 in Reptilian hands, 10,000 with the Arcturians and 150,000 in the Anunnaki slave world. The latter, by far, also burns through the personnel abducted and transported to their slave colony. The reason is, it is simply a larger operation. There are more uses for humans because theirs is a larger culture with more variation that can employ forced labor in the form of human slaves. The larger sizes as well for Reptilian and Anunnaki are due to the fact that both use humans as food, in addition to other services they submit to in order to survive. The major interest of the Arcturians with respect to the slave colony is in support of their alien Greys, to have a large group pressed into service for training purposes, acclimation and cultural learning to help the hybrid program advance.