A carrier for developing an electrostatic charge image includes magnetic particles and a coating layer covering the magnetic particles, the coating layer containing a resin and inorganic particles. The percentage exposure of the magnetic particles on the surface is 50% or more and 80% or less, and the mean width RSm and the maximum height Rz of the roughness profile on the surface are 0.9 μm or more and 1.5 μm or less and 2.0 μm or more and 6.0 μm or less, respectively.

A magnetic toner includes toner particles. The toner particles each include a toner mother particle. The toner mother particle includes a polyester resin domain, a vinyl resin domain, and a magnetic powder. A vinyl resin constituting the vinyl resin domain includes a repeating unit having a non-ring-opened oxazoline group. An area rate of an area in which the vinyl resin domain is exposed in a surface area of the toner mother particle is at least 0.02% and no greater than 1.00%.

A magnetic toner includes toner particles. The toner particles each include a toner mother particle. The toner mother particle includes a polyester resin domain, a vinyl resin domain, and a magnetic powder. A vinyl resin constituting the vinyl resin domain includes a repeating unit having a non-ring-opened oxazoline group. An area rate of an area in which the vinyl resin domain is exposed in a surface area of the toner mother particle is at least 0.02% and no greater than 1.00%.

A toner comprising a toner particle including a binder resin, wherein the toner is such that (1) when a powder dynamic viscoelasticity measurement method is used, a measurement start temperature is set to 25° C., and a ramp rate is set to 20° C./min, on a curve of a storage elastic modulus E′ (Pa) where a temperature (° C.) is plotted against an abscissa and the storage elastic modulus E′ is plotted against an ordinate, a temperature at a time when the E′ at a start of a measurement has decreased by 50% is from 60° C. to 90° C., and (2) a load at a yield point of a displacement-load curve which is determined by a nanoindentation method and where a load (mN) is plotted against an ordinate and a displacement amount (μm) is plotted against an abscissa, is 0.80 mN or more; and a method for producing thereof.

A toner comprising a toner particle including a binder resin and a magnetic body, wherein in cross-sectional observation of the toner with a transmission electron microscope, where an area percentage occupied by the magnetic body in a region of 200 nm or less from a contour of a cross section of the toner particle to a centroid of the cross section is taken as A1, and an area percentage occupied by the magnetic body in a region of from 200 nm to 400 nm from the contour of the cross section of the toner particle to the centroid of the cross section is taken as A2, the area percentage A1 is from 38% to 85%, the area percentage A2 is from 0% to 37%, and a ratio A2/A1 of the area percentage A2 to the area percentage A1 is from 0 to 0.75.

A toner including a toner particle including a binder resin and a crystalline material, wherein in powder dynamic viscoelasticity measurement of the toner, where an onset temperature of a storage elastic modulus E′ obtained when a temperature is raised at 20° C./min is denoted by T(A)° C., and an onset temperature of a storage elastic modulus E′ obtained when a temperature is raised at 5° C./min is denoted by T(B)° C., T(A)−T(B) is 3.0° C. or less, in DSC of the toner, a peak temperature of a maximum endothermic peak is from 50.0° C. to 90.0° C., and an amount of a tetrahydrofuran-insoluble component in the binder resin is from 15% by mass to 60% by mass.

A toner including a toner particle including a binder resin and a crystalline material, wherein in powder dynamic viscoelasticity measurement of the toner, where an onset temperature of a storage elastic modulus E′ obtained when a temperature is raised at 20° C./min is denoted by T(A)° C., and an onset temperature of a storage elastic modulus E′ obtained when a temperature is raised at 5° C./min is denoted by T(B)° C., T(A)−T(B) is 3.0° C. or less, in DSC of the toner, a peak temperature of a maximum endothermic peak is from 50.0° C. to 90.0° C., and an amount of a tetrahydrofuran-insoluble component in the binder resin is from 15% by mass to 60% by mass.

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 toner includes toner particles. The toner particles each include a toner mother particle containing a binder resin and a releasing agent. The binder resin includes a polyester resin and a vinyl resin. The vinyl resin includes a specific vinyl unit. A relationship 1.30≤Wabs/Wps≤2.00 is satisfied where Wabs represents an absolute molecular weight at a largest peak on an absolute molecular weight distribution curve of the binder resin as measured by size-exclusion chromatography using a multi-angle laser light scattering detector, and Wps represents a relative molecular weight at a largest peak on a relative molecular weight distribution curve of the binder resin in terms of polystyrene as measured by size-exclusion chromatography using a differential refractive index detector.

A toner includes toner particles. The toner particles each include a toner mother particle containing a binder resin and a releasing agent. The binder resin includes a polyester resin and a vinyl resin. The vinyl resin includes a specific vinyl unit. A relationship 1.30≤Wabs/Wps≤2.00 is satisfied where Wabs represents an absolute molecular weight at a largest peak on an absolute molecular weight distribution curve of the binder resin as measured by size-exclusion chromatography using a multi-angle laser light scattering detector, and Wps represents a relative molecular weight at a largest peak on a relative molecular weight distribution curve of the binder resin in terms of polystyrene as measured by size-exclusion chromatography using a differential refractive index detector.