We live in a complex World. The rate of change and the volume of communication in life today have no parallel at any period in the history of manking. OCDE (2005) consider that the knowledge society is fundamentally reshaping the global economy and, by extension, global society. Because this society relies so profoundly on the creation, diffusion and exploitation of knowledge, the success of governments depends increasingly on the information infrastructure for gathering and utilising knowledge. This papers has as objective explain the how is the knowledge management (km) in Members States of SADC. We concluded that by fact we are in globalization era all members of SADC, principally most delayed, it must define strategies of economic policy that should have as objective promote of their GDP per capita to all population can absorb knowledge that can increase for example, the number of investigators in R&D, and through ease access and increase of information infrastructure, the people in these countries can be more informed about culture, health, education of others countries as well their own country. All governments of the countries where exist low rates of adult alphabetization, low protection of intellectual property, and low access of internet should define economic policy for these area to absorb FDI of enterprises of information technology sector and other where skilled workers is required.