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Cook Islands

Territory in Oceania

CountryScope

In brief

Area: 236 km². World rank 220 of 249; in Oceania, 17 of 27.

State

Official name
Cook Islands
Local name
Cook Islands
Capital
Avarua
Region
Oceania
Form of government
Parliamentary democracy
UN member
No
Head of state
Charles III
Head of government
Mark Brown

Key figures

Area
236 km²

Practical information

Languages
English, Cook Islands Māori
Currency
Cook Islands dollar (CKD), New Zealand Dollar (NZD)
Time zones
UTC−10
Calling code
+682
Emergency numbers
996, 998, 999
Driving side
Left
Plug types
I
Mains voltage
240 V

Territory

Sea access
Has a coastline
Coastline, km
120
Neighbours
None

Elevation

Highest point
Te Manga, 652 m
Lowest point
Pacific Ocean, 0 m

Climate

Average temperature in the capital, °C
25
Warmest month in the capital
February, 27°C
Coldest month in the capital
August, 23°C

Society

Religions
Protestant 57.1%, Catholic 16.7%, other Christian 6.1%, and other 4.5% (2021)

Safety

Natural hazards
tropical cyclones

Internet and communications

Internet domain
.ck

Transport

Airports
10 2025

Data: World Bank Open Data (CC BY 4.0), mledoze/countries (ODbL 1.0), Unicode CLDR; borders: Natural Earth. The year next to a figure is the year of the data.

Source: CountryScope (https://countryscope.org/en/country/cook-islands), based on World Bank Open Data (CC BY 4.0). Retrieved October 24, 2026.