systems and methods for determining workforce staffing statistics in a contact center are disclosed . in one embodiment , the method comprises the steps of : receiving activity records associated with agents ; and producing queue - specific staff counts for an interval . the counts are based on an activity record subset , and an agent skill , and a contact queue skill set . in one embodiment , the system comprises : an activity collector operative to receive events ; and a staff statistics calculator operative to determine a staff count for a specified staffing interval . each of the events describes a worker activity . in this embodiment , the calculator comprises : logic for receiving activity records derived from one of the events ; logic for identifying contact queues for each worker in the activity records ; and logic for incrementing a contact queue staff count if at least one skill for the respective worker is included in the respective contact skill set .