Provided is an ink composition having excellent printing properties and capable of forming a thick transparent conductive film with low surface resistivity even when it is used in gravure offset printing or pad printing. The ink composition contains (A) a conductive polymer, (B) a binder, and (C) a conductivity enhancer, wherein the composition has a viscosity at 25° C. of 5 to 500 dPa·s and a solids content of 10% to 80% by weight, and the composition exhibits a surface resistivity of 2000 Ω/sq or lower and a total light transmittance of 70% or higher when applied at a wet film thickness of 15 μm.