Population breakdown

From: Nick Brooke <nick_at_yb_hebaCi6lnr-rSpqLjHwvWwbTnPhHin-Nk-xOEuvmN3MI0xquWLJeocSFhuZc6YAGaNDJ>
Date: Sat, 23 Feb 2002 19:07:24 -0000


Here's some stuff I worked out for Sun County. It should help with the stead, too.

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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