The Government and the people
Section 14(2)(a) · 1999 Constitution (2004 edition)
What Constitution says
(a) sovereignty belongs to the people of Nigeria from whom government through this Constitution derives all its powers and authority;
This is the 1999 Constitution as published in 2004. Later amendments aren't included yet, so a section may have changed since.
Original source
Official Gazette · CFRN 1999 official PDF · printed page 26. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections