A wiring structure and an electronic device including the wiring structure are provided. The wiring structure includes a plurality of wires, and each of the wires has a first portion and a second portion. The first portion and the second portion respectively have a first width W1 and a second width W2. The second width W2 is different from the first width W1. In addition, at least one of the wires satisfies an equation as follows:





0
≦


❘
"\[LeftBracketingBar]"



AR
⁢
2

-

AR
⁢
1



❘
"\[RightBracketingBar]"