In 1977, he was elected to the Constituent Assembly,
In 1982, he became the first Secretary-General of the NPN in Plateau State
In 1983, he was elected as chairman of the NPN in the Plateau,
In 1994, he was appointed to the National Constitutional Conference by General Sani Abacha’s administration.
In March 1995, he was appointed a minister of state of the Works and Housing ministry.
In 1999 he was elected as Governor of Nasarawa state for two times.
Senator of the federal republic of Nigeria from 2007 to date.
Senator Abdullahi Adamu is one of the few politicians in the world who never lost any position he aspired for in any election since he started contesting in 70s.