Vanuatu is 4.3 times larger than Samoa.
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
Area: 2,831 km2 World Factbook
Population: 196,628 (July 2014) World Factbook
Samoa, officially the Independent State of Samoa, formerly known as Western Samoa, is an Oceanian country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. Wikipedia