An electrophotographic photosensitive member comprising: a support; a charge-generating layer formed on the support; and a charge-transporting layer formed on the charge-generating layer; wherein, the charge-transporting layer is a surface layer of the electrophotographic photosensitive member, the charge-transporting layer has a matrix-domain structure having: a domain which comprises a polyester resin A having: a structural unit represented by the following Formula and a structural unit represented by the following Formula, and a matrix which comprises: a charge-transporting substance, and at least one resin selected from the group consisting of a polyester resin C having a structural unit represented by the following Formula and a polycarbonate resin D having a structural unit represented by the following Formula, the content of the structural unit represented by the Formula is 6% by mass or more and 40% by mass or less based on the total mass of the polyester resin A, and the content of the structural unit represented by the Formula is 60% by mass or more and 94% by mass or less based on the total mass of the polyester resin A: wherein, X 1 represents a m-phenylene group, a p-phenylene group, or a bivalent group having two p-phenylene groups bonded to an oxygen atom, R 11 to R 14 each independently represent, a methyl group, an ethyl group or a phenyl group, n represents the number of repetitions of a structure in brackets, and an average value of n in the polyester resin A is 20 or more and 120 or less; wherein, X 2 represents a m-phenylene group, a p-phenylene group, or a bivalent group having two p-phenylene groups bonded to an oxygen atom; wherein, R 31 to R 38 each independently represent a hydrogen atom, or a methyl group, X 3 represents a m-phenylene group, a p-phenylene group, or a bivalent group having two p-phenylene groups bonded to an oxygen atom, and Y 3 represents a single bond, a methylene group, an ethylidene group, or a propylidene group; wherein, R 41 to R 48 each independently represent a hydrogen atom, or a methyl group, and Y 4 represents a methylene group, an ethylidene group, a propylidene group, a phenylethylidene group, a cyclohexylidene group, or an oxygen atom. a support; a charge-generating layer formed on the support; and a charge-transporting layer formed on the charge-generating layer; wherein, the charge-transporting layer is a surface layer of the electrophotographic photosensitive member, the charge-transporting layer has a matrix-domain structure having: a domain which comprises a polyester resin A having: a structural unit represented by the following Formula and a structural unit represented by the following Formula, and a domain which comprises a polyester resin A having: a structural unit represented by the following Formula and a structural unit represented by the following Formula, and a structural unit represented by the following Formula and a structural unit represented by the following Formula, and a matrix which comprises: a charge-transporting substance, and at least one resin selected from the group consisting of a polyester resin C having a structural unit represented by the following Formula and a polycarbonate resin D having a structural unit represented by the following Formula, the content of the structural unit represented by the Formula is 6% by mass or more and 40% by mass or less based on the total mass of the polyester resin A, and the content of the structural unit represented by the Formula is 60% by mass or more and 94% by mass or less based on the total mass of the polyester resin A: a charge-transporting substance, and at least one resin selected from the group consisting of a polyester resin C having a structural unit represented by the following Formula and a polycarbonate resin D having a structural unit represented by the following Formula, the content of the structural unit represented by the Formula is 6% by mass or more and 40% by mass or less based on the total mass of the polyester resin A, and the content of the structural unit represented by the Formula is 60% by mass or more and 94% by mass or less based on the total mass of the polyester resin A: wherein, X 1 represents a m-phenylene group, a p-phenylene group, or a bivalent group having two p-phenylene groups bonded to an oxygen atom, R 11 to R 14 each independently represent, a methyl group, an ethyl group or a phenyl group, n represents the number of repetitions of a structure in brackets, and an average value of n in the polyester resin A is 20 or more and 120 or less; wherein, X 2 represents a m-phenylene group, a p-phenylene group, or a bivalent group having two p-phenylene groups bonded to an oxygen atom; wherein, R 31 to R 38 each independently represent a hydrogen atom, or a methyl group, X 3 represents a m-phenylene group, a p-phenylene group, or a bivalent group having two p-phenylene groups bonded to an oxygen atom, and Y 3 represents a single bond, a methylene group, an ethylidene group, or a propylidene group; wherein, R 41 to R 48 each independently represent a hydrogen atom, or a methyl group, and Y 4 represents a methylene group, an ethylidene group, a propylidene group, a phenylethylidene group, a cyclohexylidene group, or an oxygen atom.