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In recent years, several business trends have had a significant impact on the broad field of HRM. Chief among them was new technologies. These new technologies, particularly in the areas of electronic communication and information dissemination and retrieval, have dramatically altered the business landscape. Satellite communications, computers and networking systems, fax machines, and other devices have all facilitated change in the ways in which businesses interact with each other and their workers. Telecommuting, for instance, has become a very popular option for many workers, and HRM professionals have had to develop new guidelines for this emerging subset of employees.

Changes in organizational structure have also influenced the changing face of human resource management. Continued erosion in manufacturing industries in the United States and other nations, coupled with the rise in service industries in those countries, have changed the workplace, as has the decline in union representation in many industries (these two trends, in fact, are commonly viewed as interrelated). In addition, organizational philosophies have undergone change. Many companies have scrapped or adjusted their traditional, hierarchical organizational structures in favor of flatter management structures. HRM experts note that this shift in responsibility brought with it a need to reassess job descriptions, appraisal systems, and other elements of personnel management.

A third change factor has been accelerating market globalization. This phenomenon has served to increase competition for both customers and jobs. The latter development enabled some businesses to demand higher performances from their employees while holding the line on compensation. Other factors that have changed the nature of HRM in recent years include new management and operational theories like Total Quality Management (TQM), rapidly changing demographics, and changes in health insurance and federal and state employment legislation.