Steering wheel and vehicle including the same

A steering wheel comprising:

• an armature body;
• a wheel rim coupled to the armature body to be foldable;
• a slider disposed on the armature body to move linearly while being coupled to the wheel rim to be rotatable about a first rotation axis;
• a link including a first end portion rotatably coupled to the wheel rim about a second rotation axis, different from the first rotation axis, and a second end portion coupled to the armature body to be rotatable about a third rotation axis;
• and
• a driving unit engaged to the slider and providing power for a linear motion to the slider,
• wherein the third rotation axis is fixed to the armature body.