Please don't read this unless you want to be rather bored.
The key assumptions are:
Population breakdown is 25% men (age 15+), 25% women (age 15+), 25% boys and 25% girls. (As per Thunder Rebels p.18).
Infant mortality is *relatively* low: just 14% of children don't survive the first year of life. This is compatible with what the old "Glorantha Book" from the orange box said about Gloranthan populations.
[A real-world population with a life expectancy at birth of 20 years would have c.35% infant mortality, while a RW population with a life expectancy at birth of 35 years has c.20% infant mortality. Ancient/ mediaeval populations probably fall between these two extremes. The figure given here of 14% is a kinda compromise figure; we could easily justify increasing or decreasing it (within reason). There's a direct knock-on effect on how many kids die between ages 1 and 15, but if we run with the "Thunder Rebels" assumption that half the population is pre-adult, this is just juggling figures around within a fixed total. So who cares, anyway?]
Aging in Glorantha is comparable to the real world, year for year (that is, a Gloranthan gets as much older in a 42-week year as a realworld person would in a 52-week year; a Gloranthan 16-year-old is comparable to a RW 16-year-old, not a 13-year-old). I've checked this assumption with Greg, and it holds, but is worth stating.
Enough talking: here's the figures
Age Male Female Totals
0 7.0% 7.0% Children 50.0% 1-4 7.0% 7.0% 5-9 6.0% 6.0% 10-14 5.0% 5.0% 15-19 4.0% 4.0% Adults 37.4% 20-24 3.4% 3.4% 25-29 2.9% 2.9% 30-34 2.5% 2.5% 35-39 2.2% 2.2% 40-44 2.0% 2.0% 45-49 1.7% 1.7% 50-54 1.5% 1.5% Elders 12.6% 55-59 1.3% 1.3% 60-64 1.1% 1.1% 65-69 0.9% 0.9% 70-74 0.8% 0.8% 75+ 0.7% 0.7% ---- ---- 50% 50%
Note that age "75+" is deliberately open-ended.
Cheers, Nick
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