Farm animal welfare laws vary enormously globally, from comprehensive EU frameworks to minimal protection in major producing countries, creating a patchwork of welfare standards that shapes conditions for billions of animals.
The global patchwork of farm animal welfare laws reflects the different histories, values, and political economies of animal agriculture in different countries. The EU represents one end of the spectrum: legislated minimum standards across species, with decades of development toward increasingly evidence-based requirements. The US represents another extreme: a federal agriculture system that explicitly excludes farm animals from animal protection law, leaving welfare entirely to state laws, voluntary industry standards, and market pressures. Most of the world falls between these extremes, with nominal welfare laws that are unenforced or with voluntary industry codes that cover some but not all production. International coordination through WOAH standards and trade agreement welfare requirements represents a mechanism for raising global welfare floors, though the pace is slow relative to the scale of ongoing welfare deficits.