Today, modern organizations are complex and vast enough not to be able to be managed by a single manager, therefore he is obliged to get the assistance of the others to manage the organization properly considering the limitations of every person’s mind. This article, applying the survey method, studies the concepts of participation and participatory decision-making, and the solutions and advantages of application of these concepts, specifically in municipality of Neka. Sample Society are randomly selected from among all employees of municipality of Neka. Data are gathered through questionnaires, mostly closed ones. Validity and reliability of the questionnaires and their contents are accessed via spss and getting consultations from expert professors. Many methods such as variance, t test, regression, and Pearson are applied for data analysis. Results proved all of the hypotheses on the existence of meaningful relationship between participation of employees and their efficiency. However, there are no meaningful deviation among employees based on their gender, while they differ from each other considering their literacy and work experience.