Commodities are raw materials essential for the production of more complex products. Commodities fall into three large categories: agricultural, energy, and metals.
According to this visualization, emerging economies (Brazil, Russia, India Indonesia, China, South Africa, etc.) have the largest reserves of certain key energy and metal commodities such as oil, coal, copper, cobalt, iron ore, molybdenum, nickel, zinc, and aluminum.
Source: Business Insider: 36 Maps That Explain The Entire World
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This visualization by The Guardian, actually made out of real chocolate, depicts the world trade (exports and imports) of chocolate. Between 2010 and 2011, 4.24 million tons of cocoa beans were processed worldwide.
The top cocoa bean producers are: Ivory Coast, Ghana, Indonesia, Nigeria, Cameroon, Brazil, and Ecuador, among others. The top importers include: Netherlands, the United States, Germany, Malaysia, Belgium, France, the UK, and Spain.
For a list of the top global confectionery companies, visit: International Cocoa Organization: The Chocolate Industry