The attached tracker presents mobile communications metrics for tier I mobile operators in the U.S. and the Canadian mobile communication markets. Statistics on mobile subscribers, service and data revenues (and ARPU), prepaid and postpaid subscribers, capital expenditures, minutes of usage, cost per gross addition, cash cost per user, and others are provided. This deliverable presents both historic as well as the most recent reported metrics for tier-I mobile operators in the North American region and is useful to understand the evolution of the mobile communications industry in North America.