There are 15 islands in the Cook Islands. The largest island is Rarotonga. The main languages are Rarotongan, Pukapukan language, Maori, and English.
There are around 7 people groups in the Cook Islands. It is estimated that they all have been reached.
There is an estimated population of 18,000. Of those, it’s estimated all are reached.
The largest religion is Christianity (97.7%). With 13.57% being Evangelical Christian.
Christianity is the largest religion in the Cook Islands. The annual growth rate of Evangelical Christianity is 1.4%.