WHISKY CATEGORY IN THE WORLD

Whisky type : Malt / Grain / Blended
Material : Malt / Grain
Mashing : Only malt enzyme
Location : In Scotland from mashing to bottling
Process : 2 times pot still distillation / Column still
Aging : Min 3 years in oak barrel
*There are also blended whisky.

Whisky type : Malt / Grain / Pure pot still / Blended
Material : Malt / Grain / Malt & Grain
Mashing : Only malt enzyme
Location : In Ireland from mashing to bottling
Process : 2-3 times pot still distillation / Column still
Aging : Min 3 years in wood barrel

Whisky type : Grain
Material : Grain (More than 51% should be corn) 
Mashing : Only malt enzyme
Location : In USA from mashing to bottling
Process : Distillation by Beer still
Aging : New oak barrel with burn inside
*Only straight bourbon require min 2 years
*Tennessee whiskey require filtering by charcoal made from sugar maple

Whisky type : Blended (flavoring and base)
*Normally 88-96 : 4-12
Material :  Rye Main / Corn Main
Mashing : Only malt enzyme
Location : In Canada from distillation to bottling
Process : Distillation by Column still
Aging : Min 3 years in wood barrel before blending
* Normally 
-Flavoring whisky is in barrel with burn inside
-Base whisky is in bourbon barrel or revived one