Leopard 2 Operators (Built over 3,100) = Germany, Austria, Canada, Chile, Denmark, Finland, Greece, Netherlands, Norway, Poland, Portugal, Singapore, Spain, Sweden, Switzerland, and Turkey

Challenger 2 Operators (Built 446) = UK, Oman

M1 Abram Operators (Built over 9,000) = USA, Australia, Egypt, Kuwait, Saudi Arabia, and Iraq

K2 Black Panther Operators (Planned to built 390) = South Korea and Turkey in the future

Merkava IV Operator (Built over 300) = Israel

K1A1 Operator (Built over 400) = South Korea

Type 90 Operator (Built 330-340) = Japan

Leclerc Operators (Built 862) = France, and UAE

Type 99 Operator (Built 500) = China

T-90 Operators (Built over 1,400) = Russia and India

Correction of this video:
1) The picture at 01:38 is not a Japanese Type 90! It's a Leopard 2A4

Music: The name of this song is "Huo Yuan Jia" sing by Jay Chou = 周杰倫 - 霍元甲
This song is the theme song of Jet Li movie "Fearless"!

The Heaviest Tank is Merkava IV = 65tons
The Longest Range Tank is Leclerc = 650km
The Fastest tank is Type 99G = 80km/h
The Best Armour Tank is Challenger 2
The Best Combat Record Tank is Challenger 2 = Had prove in combat and never lost one to enemy fire.
The lightest Tank is T-90 = 46.5tons
The Shortest Range Tank is Type 90 = 350km
The Slowest Tank is Challenger 2 = 59km/h on-road, 40km/h off-road

How can M1A2 Abrams can be the best, when it using German Reinmetal L44 gun. and Old British Chobham armour? Plus, it drink lots of fuel, it combat range are short. and it had being destroyed many in Iraq. Please, face fact that Abrams is 3rd, not 1st. (less info)