This project focuses on The effect of communication on the productivity of civil service in Nigeria. The problem of this study is to identify the constraints, set back hindering communication from achieving its predetermined goals in organizations. The purpose of this study is to unveil the secret behind the low productivity in the organization over the years. The study of the effect of communication on the productivity of civil service of Nigeria is useful to a great extent to both individual and the organization in terms of knowing how to appraise, their worker to attain higher output. The methodology used is both the primary and secondary source of data collection. A total of two hundred and forty (240) copies of questionnaire were administered, while two hundred and twenty-seven (227) were successfully retrieved. The data was analyzed and desk research conducted respectively, the findings show that the effect of communication on the productivity of civil service of Nigeria improves overall growth and profitability of an organization. In addition, it was indicated that there are derivable benefits from the practice of the effect of communication on the productivity of civil service in Nigeria in an organization. However, communication productivity has a positive impact on employees attitude to work. Based on the above-mentioned findings, the following recommendations are made. The management should provide other motivational factors like job security adequate working materials and good supervision they should also give a good commendation as it will enable the workers to know when he has done a satisfactory job and also know how their supervisor feel about them. In all, the management (Raters) should in no biased mind transfer aggression toward workers when assessing them.