---
title: "Fair Aggregation — Database Glossary | Xata"
description: "A randomized aggregation method used during microaggregation that selects median or mode values with controlled randomness to prevent statistical bias a..."
source: "https://xata.io/glossary/fair-aggregation"
---

# Fair Aggregation

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A randomized aggregation method used during microaggregation that selects median or mode values with controlled randomness to prevent statistical bias and information leakage. Unlike deterministic aggregation, fair aggregation prevents adversaries from inferring the original value distribution within an equivalence class.

Related terms

[Microaggregation](/glossary/microaggregation)[Equivalence Class](/glossary/equivalence-class)

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