So I'm trying to get some pops to migrate into my empire. I have the starting perk that's supposed to make migration more likely, I did the edict Land of Opportunities which is supposed to bump it up by 50% and I built the visitor center building. All this on my new Gaia world but still no takers.
I have migration treaties with a number of friendly empires but I don't think any of them have seen the new world, I've shared communications but never maps with the other powers. Do the other empires need to be aware of the planet for their pops to move? Is there something else I should be doing?
What's the "starting perk that's supposed to make migration more likely"?
Anyway, migration is one of these unfortunate things in Stellaris where there's several critical components all in several completly different menus, so make sure you have done all of:
* SPECIES RIGHTS: Make sure you set the rights of the guys you want to immigrate to "Migration allowed" and NOT to Caste System, Slavery, or Purging. You might be able to increase their chances of migration by putting their consumer goods as high as you can (up to and including chemical bliss), but I don't actually know if their expected happiness on arrival factors into their migration chance equation any more so it might make no difference.
* CORE WORLDS POLICY: If the planet you want them to migrate to is a core world of yours, make sure your policy is "Everyone" rather than "Citizens Only" / "Citizens and slaves only"
* MIGRATION TREATY: And obviously, you need the treaty from the diplo screen, but it sounds like you already got this.