It is estimated that 95% of the UK's population are monolingual English speakers.
The park is largely inhabited by monolingual Spanish speakers.
L2 users' knowledge of their first language is not the same as that of monolingual native speakers.
Today the percentage of monolingual speakers is below 10%.
According to the Ethnologue there are almost no monolingual speakers; nearly all also speak Spanish.
Tzotzil and Tzeltal have large numbers of monolingual speakers.
It is perhaps the only Aslian language which is not endangered, and even has 2,000 monolingual speakers.
Again, self-interruptions of this type are common in monolingual speakers.
One of the chief foci of sociolinguistic interest in monolingual speakers is variation.
For a monolingual speaker, it may mean a shift of style within what is perceived to be the same language.