The Meaning of Fairness in AI

Imagine two people applying for a loan with identical financial profiles-yet one is approved while the other is rejected due to AI bias. Fairness in AI ensures that automated systems make impartial and just decisions, preventing discrimination in critical areas like finance, hiring, and healthcare.

definition Fairness in AI

Updated 16 February 2025 7-minute read

TL;DR (Too Long; Didn't Read)

Fairness in AI means that AI systems make unbiased, equitable, and just decisions across different individuals and groups. It ensures that AI does not reinforce discrimination or inequality.

Defining Fairness in AI

Fairness in Artificial Intelligence (AI) refers to designing and implementing AI systems that make decisions without favouritism, discrimination, or bias-especially when dealing with sensitive characteristics like ethnicity, gender, or disability.

For organisations, ensuring fairness in AI is not just ethical but essential. Unchecked bias can lead to reputational damage, legal consequences, and loss of public trust. By proactively addressing fairness, businesses can build more responsible AI systems that align with regulatory standards and societal expectations.

Synonyms for Fairness in AI

  • Impartiality: Decisions made by AI are unbiased, based on relevant criteria without favouritism.
  • Justice: Aligning AI's decisions with societal notions of moral rightness.

Opposites of Fairness in AI

  • Bias: Systematic skewness in AI decisions favouring certain groups over others.
  • Injustice: Decisions that are morally wrongful as per societal standards.

These antonyms help in identifying practices and outcomes that AI fairness aims to avoid or correct, ensuring a just utilisation of technology in AI-processes.

In a Broader Perspective

Fairness in AI is a subset of the broader concept of responsible AI. Ensuring fairness is one of the key objectives of responsible AI, which also includes other considerations such as privacy, security, and environmental impact. Fairness in AI focuses specifically on the equitable treatment of individuals and groups by AI systems, while responsible AI encompasses this and additional considerations to ensure that AI systems are developed and used in a manner that is ethical, transparent, accountable, and beneficial for all.

fairness vs. responsible AI
Figure 1. The relations between fairness and other components of responsible AI.

Types of Fairness in AI

Fairness can be specialised into different types (Table 1). Fairness in AI is essential for eliminating bias and ensuring that AI applications, such as hiring algorithms and loan processing systems, treat all individuals and groups justly. These concepts range from ensuring group equality to accommodating intersectional identities, which are crucial for ethical AI development and maintaining public trust. The definitions and examples provided illustrate practical applications, helping developers integrate these principles into more responsible AI systems.

Table 1. Definition and example of types of fairness in AI
Type of fairness Definition Example
Group AI models must treat groups defined by protected attributes (like gender or race) equally. A hiring algorithm selects candidates from different gender groups at the same rate.
Individual Similar individuals should receive similar outcomes, regardless of irrelevant personal characteristics. Two candidates with identical qualifications are treated equally by a hiring algorithm.
Counterfactual Decisions should remain unchanged if an individual's demographic group is hypothetically altered. A loan approval is unaffected when an applicant's gender is hypothetically changed.
Causal AI systems should not perpetuate historical biases. A hiring system avoids biases from past trends, such as preferential treatment of certain universities.
Procedural The decision-making process must be fair and transparent. A loan approval system clearly explains and justifies the criteria it uses.
Intersectional AI systems should account for multiple intersecting social identities when making decisions. An employment algorithm considers the combined impact of race and gender on candidate evaluation.

How Does Fairness Facilitate Automated Decision-Making?

Fairness in AI significantly enhances automated decision-making (ADM) by ensuring decisions are ethical, just, and compliant with regulations. Here's how fairness contributes to ADM:

  • Builds trust: Fair AI systems foster trust among users and stakeholders, increasing the acceptance of automated decisions, especially in sectors like finance, healthcare, and recruitment.
  • Regulatory compliance: With global regulations demanding non-discriminatory AI practices, designing ADM with fairness prevents legal issues and reputational damage.
  • Reduces biases: Fairness-focused ADM identifies and mitigates biases in historical data, preventing the perpetuation of injustices and improving decision quality.
  • Enhances decision auality: Fair AI leads to more accurate outcomes by ensuring decisions are based on relevant criteria rather than biased data, improving workforce diversity and operational efficiency.
  • Drives innovation: Prioritising fairness can lead to new methodologies in AI development, enhancing technological advancement and adoption across various industries.
  • Addresses ethical concerns: Integrating fairness in ADM reassures the public about the ethical use of AI, promoting societal welfare and sustainable technology deployment.
  • Market expansion: Companies known for fair ADM practices can access new markets and demographics, offering a competitive edge in a socially conscious economy.

Conclusion

Fairness in AI transcends technical necessity to become a cornerstone of ethical automation, crucial for building a more inclusive society. As AI systems become more integral to our daily lives, maintaining fairness is essential. Stakeholders must work together to enhance AI governance and ensure systems are both transparent and accountable. Ultimately, our commitment to fairness in AI will shape the future of technology and society alike. Let's continue striving for an equitable digital future.

Underlying dilemmas and solutions for fairness in AI »