A polyaniline composite including substituted or unsubstituted polyaniline molecules and a proton donar, the polyaniline molecules being doped with the proton donar, the composite having a chlorine content of 0.6 wt % or less and the composite satisfying the following formula (1): P10000/PALL≦0.15  (1) wherein P10000 is the total sum of the weights of the polyaniline molecules contained in the polyaniline composite having a molecular weight of 10000 or less; and PALL is the total sum of the weights of all polyaniline molecules contained in the polyaniline composite.