Carrying capacity should already do most of the job. Let growth be per planet instead of empire wide. I get what they what they were going for, as nation's population increases birthrates fall across the board. But it's not based on pure population, but economy. Carrying capacity already achieves some of this. IMHO carrying capacity + S curve + immigration tweaks should be enough
There needs to be some controls for gaming the system through breeder planets, which is why I think carrying capacity empire wide should be the determining factor, not sheer number of pops.
- 1