This study aims to determine the effect of Work Motivation on the Performance Level of Civil Servants at the Regional Civil Service Agency of North Sumatra Province along with the influencing factors. Motivation theory used based on the opinion of Afandi with indicators of Compensation, Working conditions, Work facilities and Work Performance while Performance theory is based on Hasibuan's opinion with indicators of Quantity, Quality of Responsibility and Punctuality. The research was conducted quantitatively using quantitative analysis methods and simple linear regression with SPSS software version 22. Data Collection Techniques using Observation, Questionnaires and Documentation. The population in this study is the Regional Civil Service Agency of North Sumatra Province, which amounts to 120 people. While the sampling technique uses a saturated sampling method. The data sources in this study were sourced from primary data and secondary data. The results of the study concluded that work motivation partially had a positive and significant effect on the level of employee performance at the Regional Civil Service Agency of North Sumatra Province. The results of the t test obtained a significance value for the work motivation variable 0.000<0.05 or tcalculate = 7.942 > table 1.65787. Based on the results obtained, H0 is rejected and Ha is accepted for the variable of work motivation. Thus, partially that the variable of work motivation has a positive and significant effect on the level of employee performance at the Regional Civil Service Agency of North Sumatra Province.