An electroconductive member comprising an electroconductive support, and a surface layer formed on the electroconductive support, wherein the surface layer comprises a porous body having a continuous open pore, characterized in that the surface layer comprises a three-dimensionally continuous skeleton having a polymeric material and a three-dimensionally continuous open pore, a porosity of the porous body is 40% to 98%, and a specific surface area of the porous body is 0.5 μm 2 /μm 2 to 100 μm 2 /μm 2, and the surface layer has a thickness of 1 μm to 200 μm, and has a volume resistivity of at least 1.0 × 10 10 Ω·cm, and the electroconductive member satisfies the following and: a surface potential of the electroconductive member, after an elapse of 10 seconds since a completion of a discharge for charging of the surface of the electroconductive member, is 10 V or more, the charging of the surface of the electroconductive member being conducted with a corona discharge unit which is disposed so that a grid portion of the corona discharge unit is apart from the surface of the electroconductive member by 1 mm, by applying a voltage of 8 kV to the corona discharge unit, and discharging therefrom; and when applying a direct voltage between a polyethylene terephthalate film as a member to be charged and the electroconductive support, and charging the polyethylene terephthalate film, |Vd| ≥ |Vin| - |Vth| is satisfied within a range of |Vin| > |Vth|, wherein, Vd represents a charge potential of the polyethylene terephthalate film which is an average value of three results obtained by performing the surface potential measurement of the charged polyethylene terephthalate three times, Vin represents a voltage applied between the electroconductive support and the polyethylene terephthalate film, Vth represents a discharge starting voltage. an electroconductive support, and a surface layer formed on the electroconductive support, wherein the surface layer comprises a porous body having a continuous open pore, characterized in that the surface layer comprises a three-dimensionally continuous skeleton having a polymeric material and a three-dimensionally continuous open pore, a porosity of the porous body is 40% to 98%, and a specific surface area of the porous body is 0.5 μm 2 /μm 2 to 100 μm 2 /μm 2, and the surface layer has a thickness of 1 μm to 200 μm, and has a volume resistivity of at least 1.0 × 10 10 Ω·cm, and the electroconductive member satisfies the following and: a surface potential of the electroconductive member, after an elapse of 10 seconds since a completion of a discharge for charging of the surface of the electroconductive member, is 10 V or more, the charging of the surface of the electroconductive member being conducted with a corona discharge unit which is disposed so that a grid portion of the corona discharge unit is apart from the surface of the electroconductive member by 1 mm, by applying a voltage of 8 kV to the corona discharge unit, and discharging therefrom; and when applying a direct voltage between a polyethylene terephthalate film as a member to be charged and the electroconductive support, and charging the polyethylene terephthalate film, |Vd| ≥ |Vin| - |Vth| is satisfied within a range of |Vin| > |Vth|, a surface potential of the electroconductive member, after an elapse of 10 seconds since a completion of a discharge for charging of the surface of the electroconductive member, is 10 V or more, the charging of the surface of the electroconductive member being conducted with a corona discharge unit which is disposed so that a grid portion of the corona discharge unit is apart from the surface of the electroconductive member by 1 mm, by applying a voltage of 8 kV to the corona discharge unit, and discharging therefrom; and when applying a direct voltage between a polyethylene terephthalate film as a member to be charged and the electroconductive support, and charging the polyethylene terephthalate film, |Vd| ≥ |Vin| - |Vth| is satisfied within a range of |Vin| > |Vth|, Vd represents a charge potential of the polyethylene terephthalate film which is an average value of three results obtained by performing the surface potential measurement of the charged polyethylene terephthalate three times, Vin represents a voltage applied between the electroconductive support and the polyethylene terephthalate film, Vth represents a discharge starting voltage.