I am talking more about a potential game where cities would grow like in real life, with people moving in voluntarily, and building stuff voluntarily, and the government focused more on building infrastructure. As far as I know there are no major game like that.

Closest to it in a sense is a space game (Distant Worlds, where you build the military ships and colonize planets, but the population builds commercial stations and mining operations, and the population have their own civilian ships for immigration and tourism)