A wall-flow exhaust gas purification catalyst that is disposed in an exhaust pipe of an internal combustion engine and that performs purification of an exhaust gas discharged from the internal combustion engine, the wall-flow exhaust gas purification catalyst comprising: a substrate having a wall-flow structure in which an entrance cell having an open exhaust gas inflow-side end is partitioned by a porous partition from an exit cell having an open exhaust gas outflow-side end, wherein a sealed part is disposed at and seals off the exhaust gas outflow-side end of the entrance cell and the exhaust gas inflow-side end of the exit cell; a first catalyst layer formed, in a region that is an interior part of the partition and that is in contact with the entrance cell, along the extending direction of the partition from the exhaust gas inflow-side end for less than a total length L w of the partition, wherein the total length L w includes the sealed parts; and a second catalyst layer formed, in a region that is an interior part of the partition and that is in contact with the exit cell, along the extending direction of the partition from the exhaust gas outflow-side end for less than the total length L w of the partition, wherein, using L 1 for a length of the first catalyst layer in the extending direction and L 2 for a length of the second catalyst layer in the extending direction, the L w, the L 1, and the L 2 satisfy the following formula L w < (L 1 + L 2) < 2L w and the first catalyst layer partially overlaps with the second catalyst layer in the extending direction, wherein the length L 1 of the first catalyst layer is at least 55% and not more than 80% of Lw, wherein, let 100 mass% be the total amount of catalyst metal in the range of a length of 0.1 L w in the extending direction from the exhaust gas inflow-side end when the cross section of the first catalyst layer is observed using an electron microscope, at least 80 mass% of the catalyst metal presents in the interior part side of the partition, and let 100 mass% be the total amount of catalyst metal in the range of a length of 0.1 L w in the extending direction from the exhaust outflow-side end when the cross section of the second catalyst layer is observed using an electron microscope, at least 80 mass% of the catalyst metal presents in the interior part side of the partition. a substrate having a wall-flow structure in which an entrance cell having an open exhaust gas inflow-side end is partitioned by a porous partition from an exit cell having an open exhaust gas outflow-side end, wherein a sealed part is disposed at and seals off the exhaust gas outflow-side end of the entrance cell and the exhaust gas inflow-side end of the exit cell; a first catalyst layer formed, in a region that is an interior part of the partition and that is in contact with the entrance cell, along the extending direction of the partition from the exhaust gas inflow-side end for less than a total length L w of the partition, wherein the total length L w includes the sealed parts; and a second catalyst layer formed, in a region that is an interior part of the partition and that is in contact with the exit cell, along the extending direction of the partition from the exhaust gas outflow-side end for less than the total length L w of the partition, wherein, using L 1 for a length of the first catalyst layer in the extending direction and L 2 for a length of the second catalyst layer in the extending direction, the L w, the L 1, and the L 2 satisfy the following formula L w < (L 1 + L 2) < 2L w and the first catalyst layer partially overlaps with the second catalyst layer in the extending direction, wherein the length L 1 of the first catalyst layer is at least 55% and not more than 80% of Lw, wherein, let 100 mass% be the total amount of catalyst metal in the range of a length of 0.1 L w in the extending direction from the exhaust gas inflow-side end when the cross section of the first catalyst layer is observed using an electron microscope, at least 80 mass% of the catalyst metal presents in the interior part side of the partition, and let 100 mass% be the total amount of catalyst metal in the range of a length of 0.1 L w in the extending direction from the exhaust outflow-side end when the cross section of the second catalyst layer is observed using an electron microscope, at least 80 mass% of the catalyst metal presents in the interior part side of the partition.