Election type

Constitution of Angola 2010, Article 143.

Members shall beelected by universal, free, equal, direct, secret and periodic suffrage bynational citizens aged over eighteen who are resident in national territory,including Angolan citizens resident abroad for the purposes of work, study,illness or similar reasons.

http://aceproject.org/ero-en/regions/africa/AO/constituicao-da-republica-de-angola-2010/