|Australia/New Zealand sometimes referred to as Australasia. |
Australia is known as the smallest continent on Earth. The country has an area of 7,692,000 km² (2,969,900 sq mi), making it slightly smaller than the contiguous United States. According to its population clock, 25,479,630 people live in Australia. (2019). 
New Zealand is a geographically isolated island nation in the southern Pacific, situated about 2,000 km (1,250 mi) southeast of Australia's east coast. 4.7 million people live in New Zealand (in 2019) . The country consists of two main islands, known as the North Island (Te Ika-a-Māui), and the South Island (Te Waipounamu).
|Australia||24,500,000||Map of Australia||Canberra - Sydney|
|New Zealand||4,700,000||Map of New Zealand||Wellington - Auckland|
Image: © UNESCO / Robbert Casier
| Melanesia is a region in the western Pacific Ocean to the east and south of New Guinea Island; its northern boundary is the Equator. The area includes the island of New Guinea, the Bismarck Archipelago, four independent countries: Vanuatu, the Solomon Islands, Fiji, and Papua New Guinea, and the French dependency of New Caledonia. Many islands of Melanesia are of volcanic origin and belong to the Pacific Ring of Fire. |
In 2019 an estimated 10.7 million people live in Melanesia.
|New Caledonia||283,000||Map of New Caledonia||Nouméa|
|Papua New Guinea||8,587,000||Map of Papua New Guinea||Port Moresby|
Image: Montgomery Lion
|Micronesia is a region in the western Pacific Ocean, north of Melanesia and north and west of Polynesia; its southern boundary is largely along the Equator. The area includes the Mariana Islands, the Federated States of Micronesia, the Republic of Palau, the Marshall Islands, and the western portion of the Kiribati archipelago. |
In 2019 an estimated 537,000 people live in Micronesia.
|Guam||167,000||Map of Guam||Hagåtña (Agana)|
|Micronesia (Federated States of)||102,289||Palikir|
|Northern Mariana Islands||52,300||Saipan|
Image: Derek Keats
|The term Polynesia refers to a vast region of the central Pacific Ocean to the east of Micronesia and Melanesia. The ocean section contains the easternmost of the Pacific islands, including New Zealand, the Cook Islands, Hawaii, the Marquesas Islands, Samoa, and French Polynesia. |
In 2019 an estimated 2 million people live in Polynesia (including Hawaii but not New Zealand).
|American Samoa||56,000||Tutuila Map||Pago Pago|
|Easter Island (Chile)||7,750||Hanga Roa|
|French Polynesia (Tahiti)||276,000||Papeete|
|Hawaii||1,430,000||Map of Hawaii||Honolulu|
|Samoa||199,000||Map of Samoa||Apia|