There is provided a multilayer ceramic electronic component including a ceramic body including dielectric layers, internal electrodes formed in the ceramic body and including pores, and first and second external electrodes formed on both end portions of the ceramic body, wherein in a cross section of the ceramic body in length and thickness directions, when a thickness of the internal electrode is to and a thickness of the pore is tp, 0.41≦tp/te≦0.86 is satisfied.