Oceania Population, Countries, Land Area & Density(2025 Data)

Oceania is a diverse and geographically scattered continent consisting of Australia, New Zealand, Papua New Guinea, and numerous Pacific Island nations. In 2025, it has a population of approximately 46.6 million people. Despite covering a vast area, much of the continent is sparsely populated, with large land masses like Australia balanced by densely inhabited island nations. This page offers detailed population, land area, and density statistics for each country, along with trends and insights.

Oceania Population by Country

The following table lists all Oceania countries and territories with their 2025 population, land area (km²), and population density (people per km²).

• Australia accounts for over 57% of Oceania’s total population and more than 90% of its land area.
• Despite their small land area, nations like Guam, Tuvalu, and Nauru have very high population densities, exceeding 300/km².
• Papua New Guinea is Oceania’s second most populous country but still maintains a relatively low density of 24/km².
• New Zealand has over 5 million people and ranks third in both population and land area.

Most Populated Countries in Oceania (2025 Rankings)

Australia, Papua New Guinea, and New Zealand dominate Oceania’s demographics, making up 92% of the region’s population. The remaining Pacific Island nations have much smaller populations, but some (like Fiji and Solomon Islands) are growing steadily. Many island territories maintain high densities due to limited land availability.

Largest Countries in Oceania by Land Area

Australia clearly dominates land coverage in Oceania, making up over 85% of the total land area. Other large landholders like Papua New Guinea and New Zealand are relatively well-populated, while islands like Kiribati and French Polynesia combine small land sizes with high-density settlements.

Oceania Population Growth Over Time (1900–2025)

Oceania’s population grew from just 5.8 million in 1900 to 46.6 million in 2025. Growth has been steady, with notable increases post-1950 driven by migration to Australia and New Zealand and high birth rates in Pacific Island nations. While Australia’s population growth has stabilized, island nations are still expanding gradually.

Though geographically vast, Oceania remains one of the least populated continents. Dominated by Australia in both population and area, it also includes a wide array of island nations and territories with rich cultural identities and varying demographic patterns. This page provides a complete snapshot of Oceania’s 2025 population landscape.

FAQs

1. Q: What is the total population of Oceania in 2025?
   • A: Approximately 46.6 million people.
2. Q: Which is the most populous country in Oceania?
   • A: Australia, with nearly 27 million people.
3. Q: Which country has the largest land area in Oceania?
   • A: Australia, covering over 7.6 million km².
4. Q: Which country is the most densely populated in Oceania?
   • A: Nauru and Guam, each with over 300 people/km².
5. Q: Is Oceania growing in population?
   • A: Yes, but growth is slower compared to other continents.
6. Q: Which is the smallest country in Oceania by population?
   • A: Tokelau and Niue, each with under 3,000 residents.

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