Abstract: Embodiments of the invention include a method, an apparatus, a computer readable medium and a system for forecasting growth within a wireless telecommunications system. The method includes determining current system traffic for the wireless system, determining current minutes of use (MOU) for the current wireless system, estimating future MOU for the wireless system, and forecasting future system traffic for the wireless system based on the system's current traffic, current MOU, and future estimated MOU. The method also is useful for estimating spectrum requirements and balance between coexisting technologies, determining the impact of relief sectors proposed for the wireless system at future points in time, and determining the consequence of different system growth alternatives. Also, the growth forecasting method allocates the forecasted future system traffic throughout the existing system in a suitable manner, e.g.