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Military Rankings·Country Statistics

Land Area by Country (Oceania)

Australia has the largest land area in Oceania — 7,633,565 km², ahead of Papua New Guinea (452,860 km²) and New Zealand (262,443 km²). All 19 countries ranked with the latest available data.

Top 19 Countries

# Country Share Land Area
1 🇦🇺 Australia 90.5% 7,633,565 km²
2 🇵🇬 Papua New Guinea 5.4% 452,860 km²
3 🇳🇿 New Zealand 3.1% 262,443 km²
4 🇸🇧 Solomon Islands 0.3% 27,986 km²
5 🇳🇨 New Caledonia 0.2% 18,275 km²
6 🇫🇯 Fiji 0.2% 18,274 km²
7 🇻🇺 Vanuatu 0.1% 12,189 km²
8 🇵🇫 French Polynesia 3,827 km²
9 🇼🇸 Samoa 2,821 km²
10 🇰🇮 Kiribati 811 km²
11 🇹🇴 Tonga 717 km²
12 🇫🇲 Micronesia 702 km²
13 🇬🇺 Guam 544 km²
14 🇵🇼 Palau 459 km²
15 🇦🇸 American Samoa 199 km²
16 🇲🇭 Marshall Islands 181 km²
17 🇮🇴 British Indian Ocean Territory 54 km²
18 🇹🇻 Tuvalu 26 km²
19 🇳🇷 Nauru 21 km²
Concentration
Australia 90.5%Papua New Guinea 5.4%New Zealand 3.1%Solomon Islands 0.3%New Caledonia 0.2%
🇦🇺 90.5%🇵🇬 5.4%🇳🇿 3.1%🇸🇧 0.3%🇳🇨 0.2%Rest 0.5%
The top 10 countries hold 100.0% of the regional total
Statistic

About this Ranking

Land area affects military strategy, determining the forces needed for territorial defense and the logistics required for domestic deployments. Larger countries face unique challenges in border security but also benefit from strategic depth that can absorb invading forces.