Question about population growth

I noticed that in planets with a few population like 0,10 billion the population didn't grew 0,1 billion for week as stated in wikipedia.I really like this feature because it's very realistic that if you have small population it shouldn't grow as if you have 5 billion.But what is the threshold which below that population doesn't increase at normal levels (0,1 billion) but at a great slower rate not taking in account morale modifiers?
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Reply #1 Top
anyone plz?
Reply #2 Top
Not taking into account morale modifiers, the only thing I have noticed was tax rates. At a high enough rate you actually start losing population, don't know the threshold though as I prefer not to lose my population.