Explanation:

The Group of 15 is an informal forum set up to foster cooperation and provide input for other international groups, such as the World Trade Organization and the Group of Seven. Those nations expected to be represented at the summit are Algeria, Argentina, Brazil, Chile, Egypt, India, Indonesia, Iran, Jamaica, Kenya, Malaysia, Mexico, Nigeria, Peru, Senegal, Sri Lanka, Venezuela, and Zimbabwe. The G-15 membership has expanded to 18 countries, but the name has remained unchanged.