• CNN , Tuesday, March 8, 2011 1:15 PM

Subway is now the world's largest restaurant chain in terms of units. Subway had 33,749 restaurants around the globe at the end of 2010, while McDonald's had 32,737 at year's end. As of Monday, Subway has 34,218 locations globally -- all of which are owned by franchisees.

About half of the company's unit growth is overseas. Subway now has more than 1,000 locations in Asia, and it just opened its first store in Vietnam. Other high-growth nations include Brazil, Mexico, India, China, Russia and France.

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