This research focuses on Key Performance Indicators (KPI) and employee performance in companies. This study uses a Systematic Literature Review scheme aimed at reviewing previous research related to Key Performance Indicators and performance. There were 1,100 research literatures found and then filtered using the PRISMA method. Using the PICO method in data collection from 2 sources, namely Google Scholar and Crossref. The filtering and data inclusion results obtained 30 journals as material for the final review. Through this research, it is concluded that the implementation of performance appraisal can use tools such as Key Performance Indicators to make it easier for company leaders to assess employee performance. Key Performance Indicators can help companies improve efficiency in assessing employee performance. The recommendation from this research is that companies must improve technology to support Key Performance Indicators for assessing employee performance so that the assessment is more accurate.
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