
IC, IDM, and fabless company sales share worldwide 2021, by HQ location
Integrated circuit (IC) companies based in the United States dominated the global market, accounting for just over half of the total sales in 2021. U.S.-headquartered integrated device manufacturers (IDM) and fabless companies held about 47 and 68 percent of the global IC market, respectively. The share of South Korean IDM companies amounted to 33 percent, contributing to the country's 22 percent share of the worldwide IC market.