The article presents a conceptual structure of curriculum development and its comparative study. It refers to the motives of such development in the course of the comparison, which involves several countries including England, the Federal Republic of Germany, the German Democratic Republic, Sweden, and the United States. It discusses a conceptual framework for curriculum development, its operations, strategies, techniques, participants, and the educator's role to this development. Curriculum pressure groups define not only the main aim but also the method of construction.