Vertical mobility refers to a person or group's movement up or down a status hierarchy. This is commonly referred to as social mobility, yet vertical mobility can also refer to any movement up or down a hierarchy of any kind, not necessarily related to social status in the same way that social mobility is. Vertical mobility refers to a person or group's movement up or down a status hierarchy. This is commonly referred to as social mobility, yet vertical mobility can also refer to any movement up or down a hierarchy of any kind, not necessarily related to social status in the same way that social mobility is.