Human resources are the most important part of the organization. Various factors are extremely important because they affect human resources such as organizational structure planning and demographic change. The intention of Human resources (HR) is to secure that a company achieves success with the help of its employees. Management's job is to qualify workers to accomplish the common points of the organization by getting to know the specifics of their relationships and recognizing their knowledge and other qualities that are unique and cannot be copied. The theme of the work is intergenerational differences in employment relations within companies where workers are the crucially resource of the firm. Their importance is increasing and their management is considered a fundamental interest of the company, which is also the job of higher management levels. The workforce of the teams is consists of generations traditionalists, baby-boomers, X, Y, Z who have only recently entered the job market. Human resource managers emphasize the importance of motivating employees to achieve growth and development of individuals' potential and skills. Have a part in securing that teams can work and that workers can communicate across differents cultures and out of borders. The goal is to show how their importance is increasing and their management is considered to be a fundamental interest of the company.