To provide a new carbazole-substituted polymerizable compound and a polymer of the same.

This polymerizable compound is expressed by general formula (I) [wherein, R1 to R4 are each independently H, a halogen atom, a substituted or unsubstituted aliphatic hydrocarbon, an aryl, a heterocyclic, cyano, hydroxy, amino, carboxyl, carbonamide, sulfonamide, sulfo or an alkoxy; R5 is OR6 or NR7R8; R6 to R8 are each H, a substituted or unsubstituted alkyl or an ion having monovalent positive electric charge; X is a substituent having a polymerizable group; (n) is 1 or 2; and any of R1 with R2, R2 with R3 and R3 with R4 may be fused to form a ring].