Provided is an organic light-emitting device capable of outputting light with high efficiency and high luminance. The organic light-emitting device includes an anode, a cathode, an emission layer placed between the anode and the cathode, and an organic compound layer placed between the anode and the emission layer, in which the organic compound layer contains the following compound A and compound B: [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SP2 carbon atoms and SP3 carbon atoms, and having a ratio of the number of the SP3 carbon atoms to the number of the SP2 carbon atoms of 40% or more; and [Compound B] a compound having a tertiary amine structure.