Vanuatu is 2.1 times larger than Brunei.
Area: 5,765 km2 World Factbook
Population: 422,675 (July 2014) World Factbook
Brunei, broo-NY or broo-NAY; officially the Nation of Brunei, the Abode of Peace, is a sovereign state located on the north coast of the island of Borneo in Southeast Asia. Wikipedia
Area: 12,189 km2 World Factbook
Population: 266,937 (July 2014) World Factbook
Vanuatu, officially the Republic of Vanuatu, is an Oceanian island nation located in the South Pacific Ocean. Wikipedia