Plant-Based Diets and Animal Welfare Outcomes

Shifting human diets toward plant-based foods is the highest-leverage individual action available for reducing animal suffering, given the scale of intensive animal agriculture globally.

Key Facts

Over 80 billion land animals are slaughtered for food annually worldwide
A fully plant-based diet reduces food-related animal deaths by an estimated 95% or more
Even a partial shift from beef and lamb to chicken reduces land use while potentially increasing animal numbers killed
Dairy and egg consumption involves significant animal welfare costs even without direct killing
Aquatic animals killed in plant food production (invertebrates during harvesting) are a genuine but smaller welfare consideration
Dietary change is the fastest route to reducing animal suffering at the population scale available to individuals

Welfare Considerations

The welfare impact of dietary choices is larger than almost any other consumer decision. Animal agriculture at industrial scale involves billions of animals experiencing chronic confinement, painful procedures and stressful slaughter. Each individual dietary choice connects directly to demand signals that drive production decisions. Plant-based diets eliminate participation in this system for the animals that constitute the overwhelming majority of farmed animal suffering. The welfare case for dietary change does not require perfectionism — even partial shifts toward plant-based eating meaningfully reduce individual welfare footprint. Evidence-based communication about diet and welfare links empowers people to make choices aligned with their values while supporting the broader market and policy changes that drive system-level improvement.

What You Can Do

Reduce consumption of meat, dairy and eggs — start with your highest-consumption items
Explore plant-based alternatives for the animal products you use most frequently
Support campaigns for plant-based options in schools, hospitals and workplace catering
Engage with local restaurants and supermarkets about plant-based menu expansion
Share accurate, non-judgmental information about the animal welfare impacts of dietary choices