Quantifying animal welfare at individual, farm, and national levels requires validated measurement frameworks — and the development of animal welfare indices is an important tool for tracking progress and informing policy.
Animal welfare measurement is both a scientific and political challenge. Indices that rely on legislation alone miss enforcement gaps; outcome-based measures are more valid but more costly to collect at scale. The development of standardised, internationally comparable welfare metrics is essential for tracking progress toward welfare goals, identifying lagging sectors and countries, and providing evidence for policy advocacy. Consumer-facing welfare labels are simplified welfare indices that translate science into purchasing decisions.