Not enough building slots.

[Jabby]

After you fill all the slots what then? Now I have large unemployment on my capital since I’ve filled all the building and district slots

 

[Antediluvian Monster]

Did you upgrade the buildings as well? That can employ well past 100 pops on size 16-20 worlds, I suppose you could even push it to 150 and beyond. Make the rares for maintaining the upgraded buildings elsewhere, as these are not job/slot efficient.

 

[Silens]

If there's no other planet/habitat/ringworld to live on, you're supposed to expand outwards once you maxed out and reached the state of overpopulation/unemployment.

But if that's not satisfactory for you, you can always use a few (imho very good) mods to expand your building slots to 36 or to give you more building upgrades for more jobs. Sadly the slot extension only works on new games and not on saves, so in your current game there is not much you can do about it (aside from modded upgrades granting more housing and jobs).

 

[Princess Katherine]

I also think it should have more than 16 slots. Maybe 25?

Would also love the QoL feature of being able to drag buildings to different slots without having to destroy and rebuild. Just to satisfy my mild ocd.

 

[OrigamiPhoenix]

I'm having the same problem. Not enough housing and not enough jobs without sacrificing resources.

The only way I've found to address this issue is Planetary Decision "Discourage Planetary Growth", but even that doesn't flat out cap the population, and it makes me really worried about long-term sustainability.

 

[btonasse]

I'm having the same problem. Not enough housing and not enough jobs without sacrificing resources.

And finally Stellaris has some decent economic problems to throw at the player and make the game interesting. I don't understand why this is a bad thing.