The Internet Composite Index (ICI) is an index created by the International Telecommunications Union (ITU) to measure the level of Internet access and usage in countries around the world. The index is based on a variety of factors, including the number of Internet users, the number of Internet hosts, the number of Internet service providers, the number of websites, the number of domain names, and the number of Internet exchange points. The index is used to compare the level of Internet access and usage between countries and to track changes over time.