The present invention relates to a liquid sweetener composition including a solid content composed of fructose, glucose, a disaccharide and a saccharide other than fructose, glucose and disaccharides, and water, wherein the liquid sweetener composition contains 75% by mass or more of the solid content and 25% by mass or less of the water with respect to a total mass of the liquid sweetener composition, and contains 96.0 to 98.5% by mass of the fructose, 0.4 to 1.6% by mass of the glucose, 0.3 to 1.2% by mass of the disaccharide, and 0 to 1.2% by mass of the saccharide other than fructose, glucose and disaccharides, with respect to a total mass of the solid content.