This study aims to conceptualise revitalisation of trade unions, trade union strategies, new information era and Internet use of trade unions internationally and in the five largest economies in Africa and present the use of the Internet as a strategy to prevent further challenges of trade union such as union membership decline and density. The research is based on the experience of a participant observer. The analysis based on historical development information, the related literature and documentation of the application of ICT. It has shown that there is slow progress of the ICTs by the unions of the top five economies in Africa due to the historical landscape they face. Trade unions are developing slowly and need to adapt to the use of the ICTs. The research focus was relatively narrow and focused on the ICT use and strategies of unions and more specifically unions in the five largest economies in Africa. This research is focusing on how unions are attempting to renew themselves through the use of Internet technology, networking and ICT. There were limitations in this research as there was a lack of availability of primary documentation and secondary analysis to evaluate and access the accuracy of observations and conclusions.This study will add value to trade unions particularly on the African continent to learn from and adapt to ICTs such as the website and Internet use.