A granular detergent composition which comprises a mixture of surface active agents consisting of alkyl sulfate (AS) expressed by the general formula ROSO.sub.3 M (wherein R represents straight chain or branched chain alkyl group having 14 - 15 carbon atoms on the average, and M represents alkali metal or alkaline earth metal), an alkali metal or an alkaline earth metal, .alpha.-olefin sulfonate (AOS) having 12 - 18 carbon atoms and polyoxyethylene alkyl ether sulfate (AES) expressed by the general formula R'O(C.sub.2 H.sub.4 O).sub.n SO.sub.3 M' (wherein R' represents straight chain or branched chain alkyl group having 8 - 12 carbon atoms on the average, n is an integer in the range of 1 - 8, and M' represents an alkali metal or an alkaline earth metal), at a mixing ratio within the hatched area bounded by points a, b, c, d, e and f in the appended drawing, said mixture of surface active agents being present in an amount of 20 - 40 wt.% based on the gross weight of said composition, and said composition containing substantially no phosphates, demonstrates a rich foaming under normal conditions for cleansing and displays a satisfactory easiness in rinsing.