An electrostatic-image developing toner includes toner particles, layered compound particles, and a free oil. The mass ratio Ma/Mb of the content Ma of the layered compound particles to the content Mb of the free oil is 0.05 or more and 100 or less.

A carrier for electrostatic image development includes: a core material; and a coating resin layer that contains inorganic particles and covers the core material. The content of the inorganic particles is 10% by mass or more and 60% by mass or less based on the total mass of the coating resin layer. The volume average diameter D (μm) of the inorganic particles and the thickness T (μm) of the coating resin layer satisfy the following relational expression (1): 0.007≤D/T≤0.24.

A carrier for developing an electrostatic charge image includes magnetic particles and a resin coating layer covering the magnetic particles, the resin coating layer containing inorganic particles. The ratio M1/M2 is 0.8 or more and 1.2 or less, where M1 is the concentration of the inorganic particles in the resin coating layer within a distance of 300 nm from the carrier surface, and M2 is that within a distance of 300 nm from the surface of the resin coating layer closer to the magnetic particle, and the percentage surface exposure of the magnetic particles is 0% by area or more and 5% by area or less. A cavity lies at least in part between the resin coating layer and a surface of the magnetic particles, and the average width, or the average length parallel to the thickness of the resin coating layer, of the cavity is 50 nm or more and 500 nm or less.

A carrier for electrostatic image development includes: a core material; and a resin coating layer that contains nitrogen-containing silica particles and nitrogen-containing resin fine particles and covers the core material. The content of the nitrogen-containing silica particles is from 10% by mass to 55% by mass inclusive based on the total mass of the resin coating layer. The nitrogen-containing resin fine particles have a volume average particle diameter of from 100 nm to 250 nm inclusive. The mass ratio P/S of the mass P of the nitrogen-containing resin fine particles to the mass S of the nitrogen-containing silica particles is from 0.15 to 0.55 inclusive.

A method for producing a carrier for developing an electrostatic charge image, the method includes: adding a coating liquid containing a resin, conductive particles, and a solvent and magnetic particles to a mixer having a stirring blade, and mixing the coating liquid and the magnetic particles to obtain a mixture; and evaporating and drying the solvent from the mixture to produce a carrier having a resin coating layer on surfaces of the magnetic particles, wherein a viscosity μ of the coating liquid when being added to the mixer is more than 60 mPa.Math.s and 1,000 mPa.Math.s or less, and a value of a ratio μ/W of the viscosity μ(mPa.Math.s) to an amount W (parts by mass) of the resin coating layer with respect to 100 parts by mass of the magnetic particles in the carrier is 20 or more and 500 or less.

A carrier for developing an electrostatic charge image includes magnetic particles and a resin coating layer covering the magnetic particles, the resin coating layer containing aggregates of inorganic particles. The arithmetic mean diameter of the aggregates of inorganic particles on the carrier surface is 30 nm or more and 150 nm or less, and the percentage surface exposure of the magnetic particles is 0% by area or more and 5% by area or less.

A two-component developer 100 includes a carrier 200 and a toner 300. The carrier 200 satisfies the relationships 100≤α≤220 and 300≤β≤480 when a voltage is applied in 1 V steps by a bridge resistance measurement method, where α (V) is a carrier voltage value obtained when a current value flowing through the carrier 200 reaches 1.0.sup.−7 (A), and β (V) is a carrier voltage value obtained when the current value reaches 1.0.sup.−5 (A).

An electrostatic charge image developing carrier includes a magnetic particle and a coating resin layer that covers the magnetic particle, and an amount of the coating resin layer that is peeled off from the magnetic particle when the carrier dispersed in water is irradiated with ultrasonic waves, relative to a coating amount of the coating resin layer before ultrasonic irradiation, is 800 mass ppm or more and 2,000 mass ppm or less, and a difference between an initial coating amount of the coating resin layer of a carrier having no travel history and a coating amount of the coating resin layer of a carrier having a travel history and being taken out from an electrostatic charge image developer, relative to the initial coating amount of the coating resin layer, is 0 mass ppm or more and 3,000 mass ppm or less.

A carrier can be used for forming an electrophotographic image. The carrier contains a core particle and a coating layer coating the core particle. The coating layer contains a chargeable particle. The carder has an internal void ratio of 0.0% or greater but less than 2.0%, and an apparent density of 2.0 g/cm.sup.3 or greater but less than 2.5 g/cm.sup.3.

An electrostatic charge image developing carrier contains a magnetic particle and a resin coating layer coating the magnetic particle, in which the resin coating layer contains inorganic particles, a ratio B/A of a surface area B of the carrier to a plan view area A of the carrier that are obtained by three-dimensional analysis of a surface of the carrier is 1.020 or more and 1.100 or less, a volume average particle diameter of the magnetic particle is 25 μm or more and 34 μm or less, and a fluidity of the magnetic particle is 28 s/50 g or more and 36 s/50 g or less.