To provide an organic electroluminescent device realizing high efficiency and low voltage characteristics. A light-emitting layer including compounds of (1) and (2) and a dopant is included. X represents N or CR 3 , wherein at least one X represents N. R 1 represents (1b), R 2 represents (1c), and R 3 represents an alkyl group or the like. Y represents O, S, NR 4 , or CR 5 R 6 , R 4 to R 6 each represent an alkyl group or the like, and one of R 7 to R 14 binds to a ring in (1). * represents a binding position to a ring in (1), and rings C and D are each an aromatic ring fused to an adjacent ring. R 15 , R 16 and R 17 have the same meaning as R 3 (a and b represent the number of substitutions) . R 19 has the same meaning as R 4 , and R 20 to R 27 each represent CR 3 , CR 28 or N and at least one thereof represents CR 28 , and R 28 represents formula (2b). Z represents O, S, NR 37 , or CR 38 R 39 , R 37 to R 39 each has the same meaning as R 4 , and one of R 29 to R 36 binds to a ring in (2) and the others represent CR 3 or N.