A computer implemented data processing system for estimating an amount of people situated in a specific location and their geo-demographic classification within time range is provided herein. The system is combined of a collector that is configured to collect data on signals and each signal is given a unique ID; an association module configured to associate each signal with a respective location, namely, place of origin; a processing unit configured to calculate total number of users subscribed to a specific network service provider situated in a specific location and time range; calculate a dynamic ratio by research and statistical data; and an estimation module configured to estimate the amount of people originated from a specific location and the overall amount of people in a location within a time range, by applying the calculated dynamic ratio, that was calculated to each time stamp separately.