Which country in Oceania has the highest population density?

Nauru has the highest population density in Oceania: 573 people per km² (2025). Next come the Marshall Islands (200 people per km²) and Kiribati (168 people per km²).

Which country in Oceania has the lowest population density?

Australia, with 3.6 people per km² (2025).

What is the typical population density of a country in Oceania?

The median of the 13 countries in Oceania is 51 people per km²: half are above it, half below. The median, not the average, because a few countries at the top would drag an average far above almost everyone.

Where do the figures come from?

People per square kilometre of total area, from the population and area figures on this site. Source: World Bank, Wikidata, 2025. Only independent states are ranked; territories are listed separately. A country’s continent follows Natural Earth; the handful of island states it files under the open ocean are placed by their UN subregion.

Countries in Oceania by population density

People per square kilometre of total area, from the population and area figures on this site. 13 countries in Oceania, highest first. World Bank, Wikidata, 2025

See it on the map

Map: Population density — Oceania — 184372110200350No data

Highest

573

Nauru

Median country

half above, half below

Lowest

3.6

Australia

Countries in Oceania by population density, World Bank, Wikidata, 2025
#	Country	Per km²	Region
1	Nauru	573	Micronesia
2	Marshall Islands	200	Micronesia
3	Kiribati	168	Micronesia
4	Micronesia	162	Micronesia
5	Tonga	139	Polynesia
6	Samoa	77	Polynesia
7	Fiji	51	Melanesia
8	Palau	38	Micronesia
9	Solomon Islands	30	Melanesia
10	Vanuatu	27	Melanesia
11	Papua New Guinea	23	Melanesia
12	New Zealand	20	Australia and New Zealand
13	Australia	3.6	Australia and New Zealand

Territories and other places

Not ranked: dependencies of the states above, places whose status is disputed. Highest first.

Place	Per km²	Status
Guam	311	Territory of United States of America
American Samoa	231	Territory of United States of America
Northern Mariana Islands	94	Territory of United States of America
French Polynesia	68	Territory of France
Norfolk Island	63	Territory of Australia
Cook Islands	59	Territory of New Zealand
Wallis and Futuna	42	Territory of France
New Caledonia	16	Territory of France
Niue	7.0	Territory of New Zealand
Pitcairn Islands	1.1	Territory of United Kingdom

Questions

Which country in Oceania has the highest population density?: Nauru has the highest population density in Oceania: 573 people per km² (2025). Next come the Marshall Islands (200 people per km²) and Kiribati (168 people per km²).
Which country in Oceania has the lowest population density?: Australia, with 3.6 people per km² (2025).
What is the typical population density of a country in Oceania?: The median of the 13 countries in Oceania is 51 people per km²: half are above it, half below. The median, not the average, because a few countries at the top would drag an average far above almost everyone.
Where do the figures come from?: People per square kilometre of total area, from the population and area figures on this site. Source: World Bank, Wikidata, 2025. Only independent states are ranked; territories are listed separately. A country’s continent follows Natural Earth; the handful of island states it files under the open ocean are placed by their UN subregion.

Source: World Bank, Wikidata. Where the World Bank has no estimate, the population is Wikidata’s. Countries sharing a value share a rank. All sources.