Austronesian is not a branch of the Austroasiatic language family. It is a separate language family.

Vietnamese is not part of the Mon-Khmer branch of the Austroasiatic language family. It is part of the Vietic branch.

Khmer is not part of the Munda branch of the Austroasiatic language family. It is part of the Mon-Khmer branch.

Khmer is not part of the Vietic branch of the Austroasiatic language family. It is part of the Mon-Khmer branch.

India has the largest number of Austroasiatic language speakers, with over 100 million speakers.

Vietnam has the second largest number of Austroasiatic language speakers, with over 85 million speakers.

Cambodia has the third largest number of Austroasiatic language speakers, with over 15 million speakers.

Laos has the fourth largest number of Austroasiatic language speakers, with over 10 million speakers.

Thailand has the fifth largest number of Austroasiatic language speakers, with over 5 million speakers.

Austroasiatic languages are typically tonal, polysynthetic, and head-marking.

Austroasiatic languages typically have a subject-object-verb word order, not a subject-verb-object word order.

Khmer is an example of a Mon-Khmer language.

Santali is an example of a Munda language.

Vietnamese is an example of a Vietic language.

Wa is an example of an Austroasiatic language that is not tonal.