This systematic literature review aimed to synthesize the existing literature on affirmative action in higher education. In the literature search, the researcher used different electronic databases. The databases used were ERIC, JSTOR, Willey, and Google Scholar. Search terms were formulated and applied to the online databases. A total of 80 study articles were identified, and 15 studies were included in the study after applying inclusion, exclusion, and quality assessment criteria. Research questions guided the review process. PICO was used to formulate the research questions. The paper was prepared using the planning, protocol, extraction, analysis, and reporting stages. This systematic review followed the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) criteria and used Zotero for reference management. The study revealed that affirmative action is provided to promote equity and access for minority and historically discriminated subgroups who wish to participate in higher education. Affirmative action is a controversial issue in higher education. Research on the effects of affirmative action in higher education has resulted in mixed outcomes. Researchers in the study of affirmative action in higher education used various research methods. The systematic literature review conducted also showed that there are still gaps in affirmative action research in higher education. To this effect, further study could be done in the future on the impact of affirmative action on students’ performance and attainment, the impact of affirmative action on labor market outcomes and earnings, and graduate rates of beneficiaries. Finally, it is uncertain what the future holds for affirmative action.
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