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We value transparency, so we share the latest summaries and plans for our upcoming research.

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©️ The Humane League / EIN: 04-3817491

Unless otherwise noted all imagery of factory farms on this site is representative of typical conditions.

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Research Reports

Is the US Rate of Veganism and Vegetarianism Increasing? A Meta-Analysis

A comprehensive analysis of changes in vegetarian and vegan rates over time.

Janosch Linkersdörfer

Jacob R. Peacock

Janosch Linkersdörfer et al.

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Research Reports

Impact of corporate commitments to source cage-free eggs on layer hen housing: Preregistration for an observational study

A protocol for our upcoming study of the global effects of cage-free commitments on gettings hens out of cages.

Samara Mendez

Jacob R. Peacock

Samara Mendez et al.