Few Japanese may be knowledgeable about far-away Africa, but the continent's exports affect daily life here.

With the Wednesday start in Yokohama of the fourth Tokyo International Conference on African Development, one should pause and take a quick glance at facts and figures about the continent's many valuable and necessary commodities.

Here in Japan, you might start the day with a cup of coffee from Ethiopia, the fifth-largest supplier of raw coffee beans to this nation, after Brazil, Columbia, Indonesia and Vietnam.