Coil electronic component

A coil electronic component, comprising:

• a body including a coil portion disposed therein, and including a plurality of magnetic particles;
• and
• external electrodes connected to the coil portion,
• wherein the plurality of magnetic particles comprises first partial particles disposed adjacent to a surface of the body and including oxide films directly disposed on respective surfaces of the first partial particles, and second partial particles disposed adjacent to an internal region of the body and including oxide films directly disposed on respective surfaces of the second partial particles, and
• an average thickness of the oxide films of the first partial particles adjacent to the surface of the body is greater than an average thickness of the oxide films of the second partial particles adjacent to the internal region of the body, wherein each of the oxide films of the first partial particles adjacent to the surface of the body and the oxide films of the second partial particles adjacent to the internal region of the body is an only oxide film disposed on a corresponding particle.