SEAT STATE SWITCHING MECHANISM AND SEAT PROVIDED WITH SAID SEAT STATE SWITCHING MECHANISM

Provided are a seat state switching mechanism which can achieve switching between a walk-in state and a reclining state even with a small number of components, and a seat including the seat state switching mechanism. A seat state switching mechanism is a mechanism which can switch a state of a seatback between a walk-in state and a reclining state, the seat state switching mechanism including: a movable bracket tiltable together with the seatback; a locking member for locking the movable bracket at a predetermined walk-in locking position: and an input member, a first biasing member, and a second biasing member, each composing a releaser, for switching the state of the seatback to the reclining state by releasing a biased state of the locking member in receipt of a reclining operation force.