Top 10 Largest Forests in the World

Amazon Rainforest,  5.5 million km², South America.

Congo Rainforest, 3.0 million km², Central Africa.

North American Boreal Forest,  2.1 million km², North America.

New Guinea Rainforest,  1.1 million km², Indonesia and Papua New Guinea.

Tongass National Forest,  16,630 km², Alaska, United States.

Sundarbans, 10,000 km², India and Bangladesh.

Valdivian Temperate Rainforest,  248,100 km², Chile and Argentina.

Daintree Rainforest,  1,200 km², Queensland, Australia.

Tian Shan,  1,000 km², Central Asia.

Kinabalu National Park,  754 km², Sabah, Malaysia.