Victoria (Australia) is 21 times larger than Jamaica.
Area: 10,991 km2 World Factbook
Population: 2,930,050 (July 2014) World Factbook
Jamaica is an island country situated in the Caribbean Sea, comprising the third-largest island of the Greater Antilles. Wikipedia
Area: 227,416 km2 ABS
Population: 5,768,600 (Sep 2014) ABS
Victoria is a state in the south-east of Australia. Victoria is Australia's most densely populated state and its second-most populous state overall. Wikipedia