Commander of the National Guard in 1962; - Second Deputy Premier and Commander of the National Guard in 1975; -Crown Prince, Deputy Premier and Commander of the National Guard in 1982; - Chairman of the Family Council; -Chairman of the Economic Supreme Council; - Deputy Chairman of Supreme Council for Petroleum and Minerals Affairs; -Chairman of Prince Abdullah bin Abdulaziz Foundation for His Parents for Developmental Housing; - Chairman of King Abdulaziz and His Companions Foundation for the Gifted; - Chairman of the Equestrian Club. As for his contributions at the Arab, Islamic and international arenas, he has been greatly interested in Arab and Muslims' affairs and has been keen on their unity. He believed that Islam is a strong pillar of the unity of Arab and Muslim nations. To contain differences and to achieve rapprochement, he has visited all Arab countries and some Islamic nations. He has also provided all possible assistance for them. King Abdullah has also visited many friendly countries to enhance the Kingdom's relations with them and headed the Kingdom's delegations to some summits and a number of regional and international conferences.
