The Pacific
Flag Member Population Terrain Coastline (km)
flag American Samoa 68,200 (2007) five volcanic islands with rugged peaks and limited coastal plains, two coral atolls (Rose Island, Swains Island) 116
flag Commonwealth of the Northern Marianas 79,100 (2005) southern islands are limestone with level terraces and fringing coral reefs; northern islands are volcanic 1,482
flag Cook Islands 21,100 (2007) low coral atolls in north; volcanic, hilly islands in south 120
flag Fiji 833,897 (2007) mountainous of volcanic origin, coral atolls 1,129
flag French Polynesia 256,200 (2007) mixture of rugged high islands and low islands with reefs 2,525
flag Guam 173,456 (2007) volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south 125.5
flag Kiribati 92,533 (2007) low-lying coral atolls 1,143
flag Marshall Islands 52,701 (2007) low coral limestone and sand islands 370
flag Federated State of Micronesia 110,500 (2005) low coral atolls, volcanic, mountainous 6,112
flag Nauru 13,287 (2006) sandy beach, coral reefs, phosphate plateau 30
flag New Caledonia 240,390 (2007) coastal plains with interior mountains 2,254
flag Niue 1,679 (2007) limestone cliffs, central plateau 64
flag Palau 21,196 (2007) low coral islands, mountainous main island 1,519
flag Papua New Guinea 5,887,000 (2007) narrow coastal plains, mountains 5,152
flag Samoa 179,186 (2006) narrow coastal plains, interior mountains 403
flag Solomon Islands 186,649 (2007) low coral atolls, rugged mountains 5,313
flag Timor-Leste 947,000 (2005) mountainous 706
flag Tonga 114,689 (2006) coral formation, volcanic 419
flag Tuvalu 11,000 (2006) low-lying and narrow coral atolls 24
flag Vanuatu 221,417 (2007) narrow coastal plains, mountains of volcanic origin 2,528
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