Years after the inception of International Financial Reporting Standards (IFRS), most countries of the world now permit its utilization in their countries including West Africa countries such as Nigeria and Ghana. However, some countries of the world still have not subscribed to the IFRS situation. It is thus necessary to examine the situation of things with the countries that have adopted to know if the adoption has contributed to their growth favourably or adversely. This study adopted expost facto research design to examine how IFRS has influence Revenue base of the selected countries (Nigeria and Ghana). The study concludes that it is in the best interest of developing countries to adopt IFRS. The IFRS ship is already making its way around the world as a single set of high quality global accounting standards and also facilitating revenue flow into the country. Therefore, the earlier other countries come on board, the better for them.
Keywords: Adoption, Ghana, International Financial Reporting standard, Nigeria, Revenue Generation, descriptive study