A terminal fitting (1, 110, 111, 210) is provided with a wire barrel (4, 131, 231) to be crimped into connection with a core (7, 142, 242) made of a plurality of metal strands and exposed at a leading end portion of a wire (W, 140, 240), and an inner conductive portion (9-12, 134, 135, 235) connected with a wall surface of the terminal fitting (1, 110, 111, 210) and to be held in electrical contact with the metal strands by extending into the inside of the core (7, 142, 242) at an inner side of the wire barrel (4, 131, 231) crimped into connection with the core (7, 142, 242).