Largest Countries in Oceania (2026)
The largest countries in Oceania, ranked by area.
| # | Country | Population | Area | GDP | GDP / capita | Capital |
|---|---|---|---|---|---|---|
| 1 | 🇦🇺Australia | 27,196,812 | 7,741,220 km² | $1.76 trillion | $64,604 | Canberra |
| 2 | 🇵🇬Papua New Guinea | 10,576,502 | 462,840 km² | $31.80 billion | $3,007 | Port Moresby |
| 3 | 🇳🇿New Zealand | 5,287,500 | 267,710 km² | $260.17 billion | $49,205 | Wellington |
| 4 | 🇸🇧Solomon Islands | 819,198 | 28,900 km² | $1.58 billion | $1,934 | Honiara |
| 5 | 🇳🇨New Caledonia | 292,639 | 18,580 km² | $8.55 billion | $29,213 | Noumea |
| 6 | 🇫🇯Fiji Islands | 928,784 | 18,270 km² | $5.97 billion | $6,426 | Suva |
| 7 | 🇻🇺Vanuatu | 327,777 | 12,190 km² | $1.12 billion | $3,411 | Port Vila |
| 8 | 🇵🇫French Polynesia | 281,807 | 3,471 km² | $6.32 billion | $22,440 | Papeete |
| 9 | 🇼🇸Samoa | 218,019 | 2,840 km² | $1.18 billion | $5,393 | Apia |
| 10 | 🇰🇮Kiribati | 134,518 | 810 km² | $307.9 million | $2,289 | Tarawa |
| 11 | 🇹🇴Tonga | 104,175 | 750 km² | $591.1 million | $5,652 | Nuku'alofa |
| 12 | 🇫🇲Micronesia | 113,160 | 700 km² | $471.4 million | $4,166 | Palikir |
| 13 | 🇬🇺Guam | 167,777 | 540 km² | $6.91 billion | $41,833 | Hagatna |
| 14 | 🇲🇵Northern Mariana Islands | 44,278 | 460 km² | $1.10 billion | $23,786 | Saipan |
| 15 | 🇵🇼Palau | 17,695 | 460 km² | $276.7 million | $15,611 | Melekeok |
| 16 | 🇦🇸American Samoa | 46,765 | 200 km² | $871.0 million | $18,017 | Pago Pago |
| 17 | 🇲ðŸ‡Marshall Islands | 37,548 | 180 km² | $290.1 million | $7,726 | Majuro |
| 18 | 🇹🇻Tuvalu | 9,646 | 30 km² | $62.3 million | $6,345 | Funafuti |
| 19 | 🇳🇷Nauru | 11,947 | 20 km² | $162.6 million | $13,609 | Yaren |
Largest Countries in Oceania: Frequently Asked Questions
What is the largest country in Oceania?
Australia is the largest country in Oceania, covering about 7,741,220 km².
What are the top three largest countries in Oceania?
Australia, Papua New Guinea and New Zealand.