Countries in Oceania by political stability

How likely the government is to be overthrown or destabilised by violence, unrest or terrorism, as the World Bank’s Worldwide Governance Indicators estimate it from surveys and experts: about −2.5 (least stable) to +2.5. 13 countries in Oceania, highest first. World Bank, 2025

Map: Political stability — Oceania
Highest
+1.52
Marshall Islands
Median country
+1.22
half above, half below
Lowest
−0.55
Papua New Guinea
Countries in Oceania by political stability, World Bank, 2025
#CountryEstimateRegion
=1Marshall Islands+1.52Micronesia
=1Micronesia+1.52Micronesia
3Samoa+1.34Polynesia
4Tonga+1.31Polynesia
5Palau+1.30Micronesia
6Kiribati+1.25Micronesia
7Nauru+1.22Micronesia
8New Zealand+1.18Australia and New Zealand
9Fiji+0.98Melanesia
10Vanuatu+0.95Melanesia
11Australia+0.78Australia and New Zealand
12Solomon Islands+0.75Melanesia
13Papua New Guinea−0.55Melanesia

Territories and other places

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

PlaceEstimateStatus
American Samoa+1.40Territory of United States of America
Guam+1.19Territory of United States of America
French Polynesia+0.58Territory of France
New Caledonia+0.29Territory of France

Questions

Which country in Oceania has the highest political stability?
The Marshall Islands has the highest political stability in Oceania: an estimate of +1.52 (2025). Next come Micronesia (an estimate of +1.52) and Samoa (an estimate of +1.34).
Which country in Oceania has the lowest political stability?
Papua New Guinea, with an estimate of −0.55 (2025).
What is the typical political stability of a country in Oceania?
The median of the 13 countries in Oceania is an estimate of +1.22: 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?
How likely the government is to be overthrown or destabilised by violence, unrest or terrorism, as the World Bank’s Worldwide Governance Indicators estimate it from surveys and experts: about −2.5 (least stable) to +2.5. Source: World Bank, 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 (CC BY 4.0). Figures more than 5 years older than the newest are left out rather than shown beside current ones. Countries sharing a value share a rank. All sources.