Nigeria, Nov. 24 -- Former Vice President Atiku Abubakar has formally joined the African Democratic Congress (ADC), signalling a major realignment in Nigeria's opposition politics ahead of the 2027 general elections.

Atiku announced his membership on Monday via his X (formerly Twitter) handle, posting images of himself holding the party's membership card alongside a brief caption that read: "It's official."

Before this move, Atiku had been a longstanding member of the Peoples Democratic Party (PDP) under which he served as vice president from 1999 to 2007.

He left the PDP for the defunct Action Congress (AC), where he ran for president in 2007, and returned to the former before joining the All Progressives Congress (APC) in 2014. He, h...