Sunfish...
CASR (1988) - 675 pages.
CASR (1990) - 1376 pages.
Source: Comlaw download pages.
NZ regs (from my poor addition of the pages in each pdf file) - 1814 pages
Civil Aviation Rules
Are we really so badly off?
Fair question Sunfish, and correct me if I'm wrong, but I don't think your figures are comparing apples with apples if the CAOs are factored into the comparison.