According to the subway.com web site on June 18th, 2009 there are 31,221 Subway restaurants in 90 countries.
Around 8 billion. (All shops combined)
Founding Subway sandwich shops
The sandwich shop
I don't think there is an international survey for shops in the whole world. If there was, there would be a large margin of error as many shops would not be surveyed.
They have nutrition information available at the shops.
There are many e-shops all over the world, among which Amazon and Ebay are the most famous ones.
Subway has over 33,749 franchises. Subway now beats McDonalds in having more franchises. Subway is the largest food chain in the world, with over 600 in the Los Angeles area alone.
Subway platform, shops, parking.
I don't think there is an international survey for shops in the whole world. If there was, there would be a large margin of error as many shops would not be surveyed.
Several.
Elc co UK, or Early Learning Centre UK, operates almost 300 shops across the world. There are over 200 shops in UK and over 80 shops in the rest of the world.