Nigeria gained full independence in October 1960 under a constitution that provided for a parliamentary government and a substantial measure of self-government for the country's three regions.
The later report of the Ayida Panel made recommendations to reverse some of the past innovations and to return to the more efficient Civil Service of earlier years.
[5] In August 2009 the Head of the Civil Service, Stephen Osagiede Oronsaye, proposed reforms where permanent secretaries and directors would spend a maximum of eight years in office.
The reform, approved by President Umaru Yar'Adua, would result in massive retirement of Permanent Secretaries and Directors, many of whom are from the North.
Yakubu Gowon Murtala Muhammed Olusegun Obasanjo Ibrahim Babangida Goodluck Jonathan Bola Tinubu