How many different types of cheese are there in the world

American and cheeses always come together.I'm not a cheese lover, but I can eat it .
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1. Fresh Cheeses: Banon, Ricotta, Feta, Cottage cheese, Cream cheese, etc...
2. Natural Rind: Sancerre, Chabichou, Crottin de Chavignol, etc...
3. Soft White Cheese: Camembert, Brie, Chevre Log, etc...
4. Semi-Soft: Edam, Pont L'Eveque, St Nectaire, Tomme de Savoie, Langres, Carre de L'Est, Epoisses, etc..
5. Hard Cheeses: Cheddar, Parmigiano Reggiano, Gruyere, Manchego, etc...
6. Blue Cheeses: Stilton, Roquefort, Gorgonzola, Maytag Blue, Cashel Blue, etc...
7. Flavoured Cheeses: Cornish Yarg, Gouda with Cumin, Stilton with Apricots, Devon Garland, etc...

There might be more types, but this are the most known.

(source http://www.thecheeseweb.com/)