Citizenship by naturalisation
Section 27(2)(e) · 1999 Constitution (2004 edition)
What Constitution says
(e) he is a person who has made or is capable of making useful contribution to the advancement; progress and well-being of Nigeria;
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 31–32. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections