Table:
text: Economic and monetary union
List of economic and monetary unions
Proposed
Community Currency Region Target_date Notes_
Economic and Monetary Community of Central Africa (CEMAC) Central African CFA franc Africa  not yet functioning common market
West African Economic and Monetary Union (UEMOA) West African CFA franc Africa  not yet functioning common market
Gulf Cooperation Council (GCC) Khaleeji Middle East 2013 Possibly gold backed, but postponed due to the financial crisis.
East African Community (EAC) East African shilling Africa 2015 To be used by the future East African Federation
Caribbean Single Market and Economy (as part of the CARICOM)  Latin America , /Caribbean 2015 To supplement the OECS Eastern Caribbean Currency Union

text: Economic and monetary union
List of economic and monetary unions
Proposed
Community Currency Region Target_date Notes_
Southern African Customs Union (SACU) South African Rand Africa 2015 de facto for the CMA member when the SADC economic union is established
Southern African Development Community (SADC) South African Rand , (interim proposal) Africa 2016 To supplement or succeed the CMA and Southern Africa Customs Union
South Asian Association for Regional Cooperation  South Asia 2016[citation needed] 
Union of South American Nations (UNASUR) Latino Latin America , /Caribbean 2019 
Economic Community of Central African States (ECCAS)  Africa  To supplement the Economic and Monetary Community of Central Africa (CEMAC)
Economic Community of West African States (ECOWAS)  Africa  To succeed UEMOA and WAMZ
African Economic Community  Africa 2028 See African Monetary Union
Union State of Russia and Belarus Russian ruble Europe  
Arab League Arab Dinar Arab states  Arab Dinar has been proposed ever since the creation of the Arab Monetary Fund, expected for serious plans of doing so, after the creation of the proposed Arab Union.

Question: What is the latest target date for the European Union's Economic and Monetary Union?