A water-based inkjet ink comprising at least water, a pigment, a water-soluble organic solvent and a binder resin, wherein the water-soluble organic solvent comprises a water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C, an amount of the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C is from 15 to 50% by weight relative to a total weight of the water-based inkjet ink, the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C is selected from among alkanediols of not more than 3 carbon atoms, the blend amount of the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C relative to the total weight of water-soluble organic solvent contained in the ink is within a range from 50 to 100% by weight, the water-based inkjet ink also contains a water-soluble organic solvent other than the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C, and the water-soluble organic solvent other than the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C contains an alkanediol of at least 4 carbon atoms selected from the group consisting of 1,2-pentanediol, 1,5-pentanediol, 1,2-hexanediol, 1,6-hexanediol, and 3-methyl-1,5-pentanediol, the binder resin contains a water-soluble resin, wherein the binder resin contains a (meth)acrylic resin and/or a styrene-(meth)acrylic resin as the water-soluble resin, an acid value of the binder resin is at least 5 mgKOH/g but less than 40 mgKOH/g, the water-based inkjet ink also contains a surfactant, wherein the surfactant contains a compound represented by general formula, and in the general formula, s represents an integer of 0 to 3 and t+u represents an integer of 0 to 15, and the surface tension is measured in an environment at 25°C. the water-soluble organic solvent comprises a water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C, an amount of the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C is from 15 to 50% by weight relative to a total weight of the water-based inkjet ink, the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C is selected from among alkanediols of not more than 3 carbon atoms, the blend amount of the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C relative to the total weight of water-soluble organic solvent contained in the ink is within a range from 50 to 100% by weight, the water-based inkjet ink also contains a water-soluble organic solvent other than the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C, and the water-soluble organic solvent other than the water-soluble organic solvent having a surface tension of 30 to 40 mN/m and a boiling point at 1 atmosphere of 180 to 230°C contains an alkanediol of at least 4 carbon atoms selected from the group consisting of 1,2-pentanediol, 1,5-pentanediol, 1,2-hexanediol, 1,6-hexanediol, and 3-methyl-1,5-pentanediol, the binder resin contains a water-soluble resin, wherein the binder resin contains a (meth)acrylic resin and/or a styrene-(meth)acrylic resin as the water-soluble resin, an acid value of the binder resin is at least 5 mgKOH/g but less than 40 mgKOH/g, the water-based inkjet ink also contains a surfactant, wherein the surfactant contains a compound represented by general formula, and in the general formula, s represents an integer of 0 to 3 and t+u represents an integer of 0 to 15, and the surface tension is measured in an environment at 25°C.