The present invention provides a pressure-sensitive adhesive composition which can form a pressure-sensitive sheet excellent in adhesive properties (adherability, easy peeling property at the time of high speed peeling, and re-peeling property) and the antistatic property and which has long pot life. The pressure-sensitive composition of the present invention is a pressure-sensitive adhesive composition comprising a (meth)acryl-based polymer composed of, as raw material monomers, a (meth) acryl-based monomer having an alkyl group of 1 to 14 carbon atoms and a hydroxyl group-containing (meth) acryl-based monomer, an alkali metal salt, and a catalyst having iron as an active center, wherein the hydroxyl group-containing (meth)acryl-based monomer is contained in an amount of 6 parts by weight or more to 100 parts by weight of the (meth) acryl-based monomer having an alkyl group of 1 to 14 carbon atoms.