Occupational injury data is inherently national. It is collected by national regulatory bodies, processed through national reporting instruments, shaped by national legislative thresholds, and published according to national statistical conventions. A reported hand injury in Australia does not mean precisely the same thing as a reported hand injury in the United Kingdom. The claim thresholds differ. The classification systems differ. What is mandatory to report in one jurisdiction may be voluntary, exempt, or below threshold in another.
This is not a deficiency to be corrected. It is a structural feature of how injury data is produced in democratic industrial economies — each of which has developed its own occupational health and safety regulatory tradition over decades. The data is nationally specific because it reflects nationally specific legal obligations, administrative practices and industry compositions.
Cross-country comparison under these conditions requires care. It cannot begin by assuming that injury rates are directly comparable between jurisdictions, or that a figure of 25% in one country means the same thing as 25% in another. It must begin by understanding how each country's data is produced, what it captures, and where its boundaries lie.
That is why each country in the Observatory has been assessed independently through a structured country intelligence profile before any cross-country analysis has been attempted. The profiles for Australia, the United States, Canada and the United Kingdom establish the data context for each country before any comparative claim is made.