Electoral system for national legislature

Federal Republic of Nigeria, Official Gazette, Electoral Act 2022, accessed 16 February 2023

66. In an election to the office of the President or Governor whether or not contested and in any contested election to any other elective office, the result shall be ascertained by counting the votes cast for each candidate and subjected to the provisions of sections 133, 134 and 179 of the Constitution, the candidate that receives the highest number of votes shall be declared elected by the appropriate returning officer.