home/dictionary/Equality of Opportunity

Equality of Opportunity

nounverified·updated May 18, 2026

The probability of a person in positive class being assigned to a positive outcome should be equal for both protected and unprotected group members. In other words, the protected and unprotected groups should have equal true positive rates.

Framework senses

Equality of Opportunity in Supervised Learning1 senseview framework →
§1
(Equal opportunity). We say that a binary predictor bY satisfies equal opportunity with respect to A and Y if Pr{bY = 1 | A = 0; Y = 1} = Pr{bY = 1 | A = 1; Y = 1}.
A Survey on Bias and Fairness in Machine Learning1 senseview framework →
§1
The probability of a person in positive class being assigned to a positive outcome should be equal for both protected and unprotected group members. In other words, the protected and unprotected groups should have equal true positive rates.