What is the population of remaining tigers in whole world?

It's difficult to give an exact number for the remaining tiger population in the world. Estimates vary depending on the source and methodology used.

However, according to the World Wildlife Fund (WWF), there are estimated to be around 3,900 tigers left in the wild. This number has been declining steadily over the past century due to habitat loss, poaching, and human-wildlife conflict.

It's important to note that:

* These are estimates: The number is constantly fluctuating and difficult to track accurately.

* Numbers are distributed unevenly: The majority of tigers live in India, followed by Russia, Indonesia, and other countries in Southeast Asia.

* Conservation efforts are ongoing: Organizations like WWF and others are working to protect tigers and their habitats, and the number of tigers in the wild is slowly increasing in some regions.

For the most up-to-date information, it's best to consult reputable wildlife conservation organizations like the WWF, IUCN, and the Global Tiger Forum.