An electric wire including a core wire having element wires consisting of aluminum or aluminum alloy is provided, by which stable electrical connection between the core wire of the electric wire and the terminal fitting can be attained. The electric wire 1 includes: a core wire 3 including a plurality of element wires 5a, 5b, 5c bundled up, each element wire consisting of aluminum or aluminum alloy; and an electrically insulating coating 4 which coats the core wire 3. At least one element wire 5b, situated inside the element wires 5a situated on a most outer periphery of the core wire 3, is provided with an unevenness 14 on an outer surface of at least one element wire 5b. Concave parts 14a and convex parts 14b are arranged on the outer surface of at least one element wire 5b in a circumferential direction of at least one element wire 5b.