Question: African Union was established in a city of Ethiopia with a population of how many?

Context articles: African Union Commission
African Union Mission in Burundi
African Governance Architecture
Court of Justice of the African Union
African Union
Addis Ababa
Constant-Serge Bounda
List of Australian Ambassadors to Ethiopia
Assembly of the African Union
Member states of the African Union

The Commission of the African Union acts as the executive/administrative branch or secretariat of the AU (and is somewhat analogous to the European Commission).
 It consists of a number of Commissioners dealing with different areas of policy.
 The Commission is headquartered in Addis Ababa, Ethiopia.
 It should be distinguished from the African Commission on Human and Peoples' Rights, (based in Banjul, Gambia), which is a separate body that reports to the African Union.
The African Union Mission in Burundi or AMIB was a military force of the African Union deployed to Burundi in 2003 during the Burundian Civil War.
 The mission, consisting of 2,870 troops from South Africa, Mozambique and Ethiopia, remained in the country for one year, when it was replaced by the United Nations' United Nations Operation in Burundi (ONUB).
 The official transfer of authority from AMIB to ONUB took place on June 1, 2004.
 The South African component of the force remained and was formed into the "African Union Special Task Force" (AU STF).
The African Governance Architecture (AGA) is a mechanism for dialogue between stakeholders that are mandated to promote good governance and bolster democracy in Africa.
 In the book entitled "The African Union Law" (Ed.
 Berger Levrault, 2014, p. 29) Blaise Tchikaya established the link between conceptual platform called "AGA" and the modernisation of International Law applicable to African states.
 The AGA is fundamentally one aspect – probably the most significant – of recent international law of governance.
 Furthermore, it is a key actor in promoting the domestication and implementation of the objectives outlined in the legal and policy pronouncements in the African Union (AU) Shared Values.
 Established in 2011 AGA is based in Addis Ababa, Ethiopia in the AU Headquarters with the AGA Platform Members based Africa wide.
 In February 2016 the rules of Procedure on how the AGA legally functions were adopted by Member States during the African Union Summit.
The Court of Justice of the African Union was originally intended to be the "principal judicial organ" of the African Union (Protocol of the Court of Justice of the African Union, Article 2.2) with authority to rule on disputes over interpretation of AU treaties.
 The Court has, however, never come into existence because the African Union has decided that it should be merged with the African Court on Human and Peoples' Rights to form a new court: the African Court of Justice and Human Rights (ACJHR).
 Underlying this decision was the concern at the growing number of AU institutions, which the AU could not afford to support.
The African Union (AU) is a continental union consisting of all 55 countries on the African continent, including the 6% of Egypt that is geographically in Asia.
 It was established on 26 May 2001 in Addis Ababa, Ethiopia, and launched on 9 July 2002 in South Africa, with the aim of replacing the Organisation of African Unity (OAU).
 The most important decisions of the AU are made by the Assembly of the African Union, a semi-annual meeting of the heads of state and government of its member states.
 The AU's secretariat, the African Union Commission, is based in Addis Ababa.
Addis Ababa (Amharic: አዲስ አበባ "Addis Abäba " ] , "new flower"; Oromo: "Finfinne" , ] "Natural Spring(s)") or Addis Abeba (the spelling used by the official Ethiopian Mapping Authority), is the capital and largest city of Ethiopia.
 It has a population of 3,384,569 according to the 2007 population census, with annual growth rate of 3.8%.
 This number has been increased from the originally published 2,738,248 figure and appears to be still largely underestimated.
Constant-Serge Bounda, (born 1966) is a Congolese national and United Nations Environment Programme (UNEP) Representative to the African Union, the United Nations Economic Commission for Africa (UNECA) and the Government of Ethiopia.
 He has been appointed as the United Nations Population Fund (UNFPA) Representative to the African Union, which he will assume on 1 October 2012.
The Ambassador of Australia to Ethiopia and Permanent Representative of Australia to the African Union is an officer of the Australian Department of Foreign Affairs and Trade and the head of the Embassy of the Commonwealth of Australia to the Federal Democratic Republic of Ethiopia.
 The position has the rank and status of an Ambassador Extraordinary and Plenipotentiary, holds non-resident accreditation for Djibouti and South Sudan (since 2011) and acts as Australia's Permanent Representative to the African Union Commission.
The Assembly of the African Union, which is formally known as the African Union Assembly of Heads of State and Government (AU-AHSG), is one of several decision-making bodies within the African Union.
 The other bodies are the Pan-African Parliament, the Executive Council consisting of foreign ministers of the AU members states, and the African Union Commission.
 The Chairperson of the Assembly has few formal functions, the most important of which is to preside at the Pan-African Parliament during the election and swearing in of the President of the Pan-African Parliament.
The member states of the African Union are the 55 sovereign states that have ratified or acceded to the Constitutive Act of the African Union to become member states to the African Union (AU).
 The AU was the successor to the Organisation of African Unity (OAU), and AU membership was open to all OAU member states.