Vanuatu comprises 83 islands spread across 1,300 kilometers in the South Pacific Ocean. The archipelago forms a Y-shape between latitudes 13° and 21° South. Approximately 65 islands support permanent populations. Mount Tabwemasana on Espiritu Santo reaches 1,879 meters, making it the highest point in the nation. The islands sit on the Pacific Ring of Fire, resulting in nine active or dormant volcanoes including Mount Yasur on Tanna, which has erupted continuously for at least several hundred years. Earthquakes occur regularly due to the convergence of the Indo-Australian and Pacific tectonic plates.
The population numbered 319,137 in the 2020 census. Approximately 98 percent identify as Ni-Vanuatu. Port Vila on Efate holds around 51,000 residents, making it the only settlement approaching urban density. Luganville on Espiritu Santo contains approximately 16,000 people. The remaining population lives in small coastal villages and inland settlements, most with fewer than 500 inhabitants. Annual population growth measured 2.4 percent between 2016 and 2020. Life expectancy reached 70.5 years for men and 74.2 years for women in 2019 figures from the Vanuatu National Statistics Office.
Vanuatu recognizes 138 indigenous languages, the highest linguistic density per capita globally. Bislama, a creole language derived primarily from English with vocabulary from French, indigenous languages, and other Pacific sources, serves as the national language and appears in parliamentary proceedings. English and French hold official status as languages of education, reflecting the colonial period. Most Ni-Vanuatu speak their island or village vernacular as a first language, Bislama for inter-island communication, and one or both colonial languages with varying fluency. The three northern Banks Islands languages—Mwotlap, Löyöp, and Volow—share no mutual intelligibility with languages 50 kilometers south, demonstrating extreme linguistic fragmentation.
Archaeological evidence places human settlement in Vanuatu at approximately 3,000 years ago, part of the Lapita cultural expansion across the Pacific. Lapita pottery sherds excavated on Efate, Malekula, and Espiritu Santo date from roughly 1300 to 1100 BCE. These early settlers arrived with domesticated pigs, chickens, dogs, and food crops including taro, yam, and breadfruit. Obsidian sourcing studies link artifacts found in Vanuatu to quarries in the Bismarck Archipelago, indicating trade networks extending over 2,500 kilometers. The Lapita culture gradually transformed into distinct Melanesian societies, each island or island group developing separate languages, art forms, political structures, and cosmologies.
Europeans first sighted the islands in 1606 when Portuguese navigator Pedro Fernandes de Queirós, sailing for Spain, landed on Espiritu Santo. Queirós believed he had reached the southern continent and named the land "La Austrialia del Espíritu Santo" in honor of the Holy Spirit and the Austrian house of Habsburg. He stayed approximately one month before crew illness and internal conflicts forced departure. No further European contact occurred until French explorer Louis Antoine de Bougainville passed through in 1768, followed by British navigator James Cook in 1774. Cook mapped much of the archipelago and applied the name New Hebrides, which persisted until independence in 1980.
The 19th century brought sandalwood traders, primarily from Australia and Britain, who harvested Erromango's extensive sandalwood forests between 1825 and the 1860s. The trade operated through barter with local populations, exchanging metal tools, cloth, and firearms for cutting rights. Violence frequently erupted, and multiple traders died in conflicts with Erromangan communities protecting resources or responding to abuses. Presbyterian missionaries from Scotland arrived in 1848, establishing the first permanent mission on Aneityum. Missionary John Geddie translated biblical texts into the Aneityumese language and introduced literacy. Catholic Marist missionaries arrived in 1887, creating denominational divisions that persist across the islands.
Labor recruiting for Queensland sugar plantations and Fijian cotton estates intensified from the 1860s through 1904, removing an estimated 62,000 Ni-Vanuatu men under the practice called "blackbirding." While some workers signed voluntary contracts, many were deceived or kidnapped. Depopulation and introduced diseases devastated communities, particularly on Erromango, Tanna, and Aneityum. Mortality rates on plantations often exceeded 30 percent during three-year contracts. The practice ended when Australia restricted Pacific Islander immigration in 1904 following federation and the implementation of the White Australia Policy.