Vanuatu is 27 times larger than Palau.
Area: 459 km2 World Factbook
Population: 21,186 (July 2014) World Factbook
Palau, officially the Republic of Palau, is an island country located in the western Pacific Ocean. It is geographically part of the larger island group of Micronesia. The country's population of around 21,000 is spread across 250 islands forming the western chain of the Caroline Islands. 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