wordman
Two Thousand Club
I derailed an earlier thread into a population discussion. To avoid derailing to further, I'm picking it up here. For those who were not following along (meaning "those of you with any sense") some canonical raw numbers:
I think most involved with the discussion ultimately agree that, as Safim said, "the numbers are odd and something is wrong". All of these "facts" cannot be simultaneously true. I take the approach that fact #1 is in error. Safim and others take the approach that  fact #1 is true and the others are off. I consider either of these approaches to be equally valid.
If you take fact #1 to be true, I think the main other "fact" that you need to alter in your campaign is #3, with #2 as a distant second. For the type of attrition that would be necessary to give a 0.08% rate, lifespan really can't average 300 years. The other option, reducing the birth rate, is equally valid mathematically, but less desirable if your goal is to keep the storyline canonical, as it would mean that DB's are largely sterile for long periods. Altering fact #4 is also possible, but only if you adjust the starting population downwards (by several multiples of 2). This would mean that the Fair Folk nearly wiped out the terrestrials, which is kind of neat, but also means that the time of the "seven tigers" would have involved, at most, dozens of terrestrials.
I prefer to alter fact #1. In addition to my points in the other thread (roughly, that I want terrestrials in my campaign to have taken more advantage of the fact that they are the only exalts that can breed new exalts), I think that a 0.08% growth rate doesn't really make sense in the current story. The type of attrition needed to achieve that number simply requires to many deaths, in my opinion. Even with the legions being sent all over and political backstabbing, it isn't enough for families that have so many children (a social custom which I like to have in my game). Maybe if the Houses were actually actively engaged in active war with each other, the level of attrition needed would realistic. Or maybe if they were constantly in full on conflict with Lookshy all of the time. Or maybe if the Great Contaigion came around again a few times during the reign of the Empress and wiped out huge swaths of terrestrials. A 0.08% rate requires a population not willing to reproduce much (like modern day Germany, where the rate is nearly 0, or Japan, where it is negative) or else a real meatgrinder. Creation is violent, yes, but I just don't see such a meatgrinder in the storyline.
- "The 761 Realm Census placed the number of Dynastic Dragon-blooded (included lost eggs adopted to the great houses) near 10,000. This might be as many as half the entire world's population of Terrestrial Exalted, and the world knows that it's there." (exdb.288)
- "The average number of births [per mother] is eight per century, or about one every 12 years. A Dragon-Blooded pregnancy lasts a full 15-month year." (exdb.22)
- "Although the average life span of a Dynast is around 300 years, there are those who have lived to nearly 500 without even using sorcery." (exdb.22)
- "At the height of the Shogunate, the Dragon-Blooded host numbered nearly a million. At the dawn of the Scarlet Empire, only 10,000 or so survived." (exlu.31)
I think most involved with the discussion ultimately agree that, as Safim said, "the numbers are odd and something is wrong". All of these "facts" cannot be simultaneously true. I take the approach that fact #1 is in error. Safim and others take the approach that  fact #1 is true and the others are off. I consider either of these approaches to be equally valid.
If you take fact #1 to be true, I think the main other "fact" that you need to alter in your campaign is #3, with #2 as a distant second. For the type of attrition that would be necessary to give a 0.08% rate, lifespan really can't average 300 years. The other option, reducing the birth rate, is equally valid mathematically, but less desirable if your goal is to keep the storyline canonical, as it would mean that DB's are largely sterile for long periods. Altering fact #4 is also possible, but only if you adjust the starting population downwards (by several multiples of 2). This would mean that the Fair Folk nearly wiped out the terrestrials, which is kind of neat, but also means that the time of the "seven tigers" would have involved, at most, dozens of terrestrials.
I prefer to alter fact #1. In addition to my points in the other thread (roughly, that I want terrestrials in my campaign to have taken more advantage of the fact that they are the only exalts that can breed new exalts), I think that a 0.08% growth rate doesn't really make sense in the current story. The type of attrition needed to achieve that number simply requires to many deaths, in my opinion. Even with the legions being sent all over and political backstabbing, it isn't enough for families that have so many children (a social custom which I like to have in my game). Maybe if the Houses were actually actively engaged in active war with each other, the level of attrition needed would realistic. Or maybe if they were constantly in full on conflict with Lookshy all of the time. Or maybe if the Great Contaigion came around again a few times during the reign of the Empress and wiped out huge swaths of terrestrials. A 0.08% rate requires a population not willing to reproduce much (like modern day Germany, where the rate is nearly 0, or Japan, where it is negative) or else a real meatgrinder. Creation is violent, yes, but I just don't see such a meatgrinder in the storyline.