The retail cigarette inventory-monitoring system is configured for use with a plurality of prepackaged smoking materials. Each of the plurality of prepackaged smoking materials is a container referred to as a pack. The retail cigarette inventory-monitoring system is a storage system configured for use in storing the plurality of prepackaged smoking materials. The retail cigarette inventory-monitoring system comprises a package rack and a counting device. The counting device attaches to the package rack. The package rack stores as individual packs each pack contained within the plurality of prepackaged smoking materials. The counting device automatically counts the number of packs contained within the plurality of prepackaged smoking materials contained within the package rack of the retail cigarette inventory-monitoring system.