Recently, in the art industry, the intrinsic growth of content and various situations are positively combined, and the interest from the public is increasing day by day. At this point, it is necessary to think about the direction the art industry should take and the scalability of the industry itself. In the previous KIAF Seoul 2019 / 2020, the structure of the art industry ecosystem was analyzed from the market perspective, and core competencies in detailed areas were identified and presented. In this presentation, we intend to examine the scalability of the art industry ecosystem by estimating the size of each area based on the results of the previous analysis.