Groups listed below are sorted by their broad linguistic classification and the general geographic area where they live.

This list is a linguistic classification that may not correspond to political divisions.

Below is a list of northern Luzon ethnic groups organized by linguistic classification.

Below are lists of ethnic groups in China by linguistic classification.

Such features can be used as data of fundamental importance for the purposes of linguistic classification.

A discussion of Sandawe's linguistic classification can be found in Sands (1998).

In analogy to the linguistic classification, Kashubians are considered either an ethnic or a linguistic group.

The linguistic classification of Galician and Portuguese is still discussed today.

As for the Euganei, their linguistic classification is uncertain.

However, the proper usage of the term is based on the linguistic classification in order to avoid any political sense.