- Type
- paper
- Year
- 2018
- By
- Joy Buolamwini, Timnit Gebru
- Publisher
- ICML (International Conference on Machine Learning)
- DOI
- 10.1145/3287560.3287572
Gender Shades is a landmark 2018 research paper by Joy Buolamwini and Timnit Gebru that evaluates the accuracy of commercial facial recognition systems across different skin types and genders. The study tested three major commercial systems (IBM, Microsoft, and Face++) and found significant performance disparities, with error rates as high as 34% for darker-skinned females compared to less than 1% for lighter-skinned males.
The paper introduced the Fitzpatrick skin type classification system as a framework for evaluating algorithmic bias and demonstrated that widely-deployed facial recognition technology exhibited systematic racial and gender bias. This work became foundational to discussions of algorithmic fairness and bias in AI systems.
Gender Shades has been highly influential in both academic and policy circles, spurring increased scrutiny of AI systems used in criminal justice, hiring, and other high-stakes domains. It contributed to broader awareness of how machine learning systems can perpetuate and amplify existing social inequalities.
Last updated 31 August 2026