Soybeans are the number one oilseed crop worldwide. In 2014, a total of 307 mio metric (MT) tonnes of soybean were produced. Relatively few countries produce soybeans: the US accounts for more than 34% of the world production, with Brazil, Argentina, and China together accounting for an additional 50%. In Europe, Italy, Russia, and the Ukraine are the main producer countries. In the United States, Brazil, and Argentina, the most widely planted soybeans are genetically modified varieties (GMO), which are tolerant against the herbicide glyphosate.