Royal Bengal Tiger 
The Royal Bengal Tiger was given the name by Carl Linnaeus, and classified by Reginal Innes Pocock. It is seen across India but is also present across Nepal, Bhutan, Bangladesh and Southwest China.

There are approximately anywhere between 2,500 to 3,682 in the world with India housing the highest population

Siberian Tiger 
The Siberian Tiger, popularly called the Amur Tiger, is known to be the biggest tiger apart from the Bengal tiger, and is native to Northeast China and the eastern most part of Russia. 

As of today, there are approximately about 756 Siberian tigers in the world

Sumatran Tiger
Apart from the Bengal tiger and Siberian tiger, the Sumatran tiger is the other popular species seen on the Sumatra islands of Indonesia, and is known to be only species living apart from the extinct Bali and Javan tigers

It is critically endangered and as of today, a little over 600 are alive and thriving in the region

Malayan Tiger 
The Malaysian Tiger, popularly known as the Malayan Tiger is native to the region of Malaysia, and was accepted as a subspecies in 2004. 

Like the Sumatran tiger, this specis has also been classified as critically endangered, and there are only 80-100 known mature tigers as of 2014

Indo Chinese Tiger 
Among its other South Asian species, the Indochinese Tiger is native to Southeast Asia and known to be found in Myanmar and Thailand.

It is known to be an endangered species with a population of over 180 mature tigers

South China Tiger 
Like its other geographical cousins, the South China tiger is known to exist in Southern China mostly in the Fujian, Guangdong, Hunan and Jiangxi provinces.

It is also known to be critically endangered