[sajithdilshan]

How is that even sustainable, like housing, education, electricity, running water, etc. how can they scale those with that fast growing population

[BurningFrog]

Typically, people produce about as much as they consume, so a growing population normally sustains itself.

[lazide]

Grow more crops, build more dams, etc?

Until they are out of room anyway, but they have a lot of unused desert right now.