A high-strength steel sheet comprising: a chemical composition containing, in mass%, C: 0.08 % or more and 0.35 % or less, Si: 0.50 % or more and 2.50 % or less, Mn: 1.50 % or more and 3.00 % or less, P: 0.001 % or more and 0.100 % or less, S: 0.0001 % or more and 0.0200 % or less, and N: 0.0005 % or more and 0.0100 % or less, optionally at least one element selected from the group consisting of Al: 0.01 % or more and 1.00 % or less, Ti: 0.005 % or more and 0.100 % or less, Nb: 0.005 % or more and 0.100 % or less, V: 0.005 % or more and 0.100 % or less, B: 0.0001 % or more and 0.0050 % or less, Cr: 0.05 % or more and 1.00 % or less, Cu: 0.05 % or more and 1.00 % or less, Sb: 0.0020 % or more and 0.2000 % or less, Sn: 0.0020 % or more and 0.2000 % or less, Ta: 0.0010 % or more and 0.1000 % or less, Ca: 0.0003 % or more and 0.0050 % or less, Mg: 0.0003 % or more and 0.0050 % or less, and REM: 0.0003 % or more and 0.0050 % or less with the balance being Fe and inevitable impurities; a steel microstructure including, in area fraction, ferrite: 20 % or more and 50 % or less, lower bainite: 5 % or more and 40 % or less, martensite: 1 % or more and 20 % or less, and tempered martensite: 20 % or less, and including, in volume fraction, retained austenite: 8 % or more, the retained austenite having an average grain size of 2 μm or less; and a texture having an inverse intensity ratio of γ-fiber to α-fiber of 3.0 or less, wherein an α-fiber is a fiber texture in which the <110> axis is parallel to the rolling direction and a γ-fiber is a fiber texture in which the <111> axis is parallel to the normal direction to the rolled surface and wherein the inverse intensity ratio of γ-fiber to α-fiber is calculated in accordance with the specifics given in the section of the description entitled: Inverse intensity ratio of γ-fiber to α-fiber: 3.0 or less. a chemical composition containing, in mass%, C: 0.08 % or more and 0.35 % or less, Si: 0.50 % or more and 2.50 % or less, Mn: 1.50 % or more and 3.00 % or less, P: 0.001 % or more and 0.100 % or less, S: 0.0001 % or more and 0.0200 % or less, and N: 0.0005 % or more and 0.0100 % or less, optionally at least one element selected from the group consisting of Al: 0.01 % or more and 1.00 % or less, Ti: 0.005 % or more and 0.100 % or less, Nb: 0.005 % or more and 0.100 % or less, V: 0.005 % or more and 0.100 % or less, B: 0.0001 % or more and 0.0050 % or less, Cr: 0.05 % or more and 1.00 % or less, Cu: 0.05 % or more and 1.00 % or less, Sb: 0.0020 % or more and 0.2000 % or less, Sn: 0.0020 % or more and 0.2000 % or less, Ta: 0.0010 % or more and 0.1000 % or less, Ca: 0.0003 % or more and 0.0050 % or less, Mg: 0.0003 % or more and 0.0050 % or less, and REM: 0.0003 % or more and 0.0050 % or less with the balance being Fe and inevitable impurities; C: 0.08 % or more and 0.35 % or less, Si: 0.50 % or more and 2.50 % or less, Mn: 1.50 % or more and 3.00 % or less, P: 0.001 % or more and 0.100 % or less, S: 0.0001 % or more and 0.0200 % or less, and N: 0.0005 % or more and 0.0100 % or less, Al: 0.01 % or more and 1.00 % or less, Ti: 0.005 % or more and 0.100 % or less, Nb: 0.005 % or more and 0.100 % or less, V: 0.005 % or more and 0.100 % or less, B: 0.0001 % or more and 0.0050 % or less, Cr: 0.05 % or more and 1.00 % or less, Cu: 0.05 % or more and 1.00 % or less, Sb: 0.0020 % or more and 0.2000 % or less, Sn: 0.0020 % or more and 0.2000 % or less, Ta: 0.0010 % or more and 0.1000 % or less, Ca: 0.0003 % or more and 0.0050 % or less, Mg: 0.0003 % or more and 0.0050 % or less, and REM: 0.0003 % or more and 0.0050 % or less a steel microstructure including, in area fraction, ferrite: 20 % or more and 50 % or less, lower bainite: 5 % or more and 40 % or less, martensite: 1 % or more and 20 % or less, and tempered martensite: 20 % or less, and ferrite: 20 % or more and 50 % or less, lower bainite: 5 % or more and 40 % or less, martensite: 1 % or more and 20 % or less, and tempered martensite: 20 % or less, and including, in volume fraction, retained austenite: 8 % or more, the retained austenite having an average grain size of 2 μm or less; and a texture having an inverse intensity ratio of γ-fiber to α-fiber of 3.0 or less, wherein an α-fiber is a fiber texture in which the <110> axis is parallel to the rolling direction and a γ-fiber is a fiber texture in which the <111> axis is parallel to the normal direction to the rolled surface and wherein the inverse intensity ratio of γ-fiber to α-fiber is calculated in accordance with the specifics given in the section of the description entitled: Inverse intensity ratio of γ-fiber to α-fiber: 3.0 or less.