How common is the Niuean language?

The Niuean language is not common in the sense of having a large number of speakers. It is spoken by a relatively small number of people.

Here's a breakdown:

* Native speakers: Around 1,500 people in Niue, a small island nation in the South Pacific.

* Worldwide speakers: Estimated to be around 2,000, including those living in New Zealand and other countries.

Comparison:

* English: Over 1.35 billion speakers worldwide.

* Mandarin Chinese: Over 1 billion speakers worldwide.

* Spanish: Over 500 million speakers worldwide.

Therefore, Niuean is considered an endangered language, with a limited number of speakers and facing challenges in maintaining its vitality.