An antireflection film comprising: a hard coating layer; and a low refractive index layer which is formed on one surface of the hard coating layer and includes a binder resin, and hollow inorganic nanoparticles and solid-type inorganic nanoparticles dispersed in the binder resin, wherein the particle radius of the hollow inorganic nanoparticles is 35 nm to 100 nm, wherein the solid-type inorganic nanoparticles have a radius of 0.5 nm to 100 nm, wherein the binder resin included in the low refractive index layer comprises a crosslinked (co)polymer between a (co)polymer of a photopolymerizable compound and a fluorine-containing compound containing a photoreactive functional group, and wherein the solid-type inorganic nanoparticles have a density of 2.00 g/cm 3 to 4.00 g/cm 3 , and the hollow inorganic nanoparticles have a density of 1.20 g/cm 3 to 3.50 g/cm 3 , and wherein at least 70% by volume of the total solid-type inorganic nanoparticles exists within 30% of the total thickness of the low refractive index layer from the interface between the hard coating layer and the low refractive index layer, at least 70% by volume of the total hollow inorganic nanoparticles exists in a region where the total thickness of the low refractive index layer exceeds by 30% from the interface between the hard coating layer and the low refractive index layer, a density of the solid-type inorganic nanoparticles is 0.50 g/cm 3 to 2.00 g/cm 3 higher than a density of the hollow inorganic nanoparticles, and wherein the hollow inorganic nanoparticles have a ratio of thickness of a shell layer to particle radius of 0.3 or less, according to the following Equation 1: Ratio of thickness of the shell layer to radius of the hollow inorganic nanoparticles = Thickness of the shell layer of the hollow inorganic nanoparticles / Radius of the hollow inorganic nanoparticles . a hard coating layer; and a low refractive index layer which is formed on one surface of the hard coating layer and includes a binder resin, and hollow inorganic nanoparticles and solid-type inorganic nanoparticles dispersed in the binder resin, wherein the particle radius of the hollow inorganic nanoparticles is 35 nm to 100 nm, wherein the solid-type inorganic nanoparticles have a radius of 0.5 nm to 100 nm, wherein the binder resin included in the low refractive index layer comprises a crosslinked (co)polymer between a (co)polymer of a photopolymerizable compound and a fluorine-containing compound containing a photoreactive functional group, and wherein the solid-type inorganic nanoparticles have a density of 2.00 g/cm 3 to 4.00 g/cm 3 , and the hollow inorganic nanoparticles have a density of 1.20 g/cm 3 to 3.50 g/cm 3 , and wherein at least 70% by volume of the total solid-type inorganic nanoparticles exists within 30% of the total thickness of the low refractive index layer from the interface between the hard coating layer and the low refractive index layer, at least 70% by volume of the total hollow inorganic nanoparticles exists in a region where the total thickness of the low refractive index layer exceeds by 30% from the interface between the hard coating layer and the low refractive index layer, a density of the solid-type inorganic nanoparticles is 0.50 g/cm 3 to 2.00 g/cm 3 higher than a density of the hollow inorganic nanoparticles, and wherein the hollow inorganic nanoparticles have a ratio of thickness of a shell layer to particle radius of 0.3 or less, according to the following Equation 1: Ratio of thickness of the shell layer to radius of the hollow inorganic nanoparticles = Thickness of the shell layer of the hollow inorganic nanoparticles / Radius of the hollow inorganic nanoparticles . <EOS>