[BTS] Question about city growth

[Phoenix Master]

Can someone please explain how city growth works on standard speed. I found an article about city growth in the war academy, but it was for epic speed. I know each citizen eats two food and when your surplus food reaches a certain amount your population increases.

 

[antimony]

The amount of excess food to grow on standard speed is 20 + 2*P where P is your current population (so 22 to get from size 1 to 2, then 24, 26, etc.). Otherwise the only things that complicate this are the granary and slavery, and this article explains those:

Vocum Sineratio: The Whip

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[Tecumseh1]

Usually you have granaries so divide the formula above by 2 to get food requirement for growth. Also negative health will slow growth. It's possible to starve a city and lose pop by working tiles with no food or running too many specialists.

 

[sampsa]

Usually you have granaries so divide the formula above by 2 to get food requirement for growth

Well, not exactly, but close. Granary stores food up to half of the food bar, which means that if you are size 2 (food bar is 24) you gain 12 once you grow to size 3, meaning that if you have exactly enough to grow the bar will be set at 12/26.