Values

1 Low (The indigenous language remained the sole or primary means of communication for most of the indigenous population for the duration of the post-contact period.) 27
2 Medium (The indigenous language remained an important means of communication for the duration of the post-contact period, but at one time or another the indigenous population used a non-indigenous language to roughly the same extent.) 54
3 High (At one time or another during the post-contact period, a foreign language became the sole or primary means of communication for most of the indigenous population.) 15

Language shift

Culture Value Source