Computer Sciencecalendar_todayLast updated: Apr 2026
What is Algorithmic Bias?
/ˌælɡəˈrɪðmɪk ˈbaɪəs/
When an AI system reflects the biases of its creators or training data, producing outputs that systematically favour or disadvantage certain groups.
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Everyday Example
A facial recognition system trained mostly on lighter-skinned faces may struggle to accurately identify darker-skinned individuals — not because of intentional prejudice, but because of imbalanced training data.
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“Hiring algorithms that learn from past successful hires can inadvertently encode historical biases — for example, penalising CV keywords more common in women's applications because past hires were predominantly male.”
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Did you know?
The study of algorithmic bias gained mainstream attention after a 2018 MIT Media Lab study found commercial AI systems misidentified the gender of dark-skinned women at rates up to 34% higher than lighter-skinned men.
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Key Insight
Bias in, bias out. The quality and diversity of training data is one of the most important — and often overlooked — factors in building fair AI systems.
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