To provide an antistatic agent imparting permanent antistaticity and mechanical strength to molded articles, and to provide an antistatic resin composition containing the same.

The antistatic agent (Z) contains a block polymer (A) and/or a hydrophilic polymer (B), and a fluorine-containing surfactant (C), wherein (A) is a block polymer having a block of a hydrophobic polymer (D) and a block of a hydrophilic polymer (B) as structural units.