Purpose: The following article is an attempt to classify and systematize the concept of competency on the basis of the available and analyzed literature, according to various currents and criteria that allow to look at competency from different perspectives. Design/Methodology/Approach: In the scientific and business community there are many approaches, definitions and views on competency, which shows the importance and complexity of the issue, but also indicates the problem of unification of the concept. The most important and commonly used divisions are presented, their analysis is made, and an attempt is made to clarify the concept of "competency". Findings: Practical Implications: Competencies are growing into one of the most important areas of interest in the business or management community. They are becoming the most important parameter describing the value of an employee in the labor market, his success and, consequently, the success and success of the company. Originality/value:

Marcin Kesy, Aleksander Antoniewicz (2023). The Evolution of Perceptions of Competency in the Literature, European Research Studies Journal Volume XXVI Issue 4, 660-679