Iceland is 47% larger than Ireland.
Area: 70,273 km2 World Factbook
Population: 4,832,765 (July 2014) World Factbook
Ireland, also commonly referred to as the Republic of Ireland, is a sovereign state in Europe occupying about five-sixths of the island of Ireland. Wikipedia
Area: 103,000 km2 World Factbook
Population: 317,351 (July 2014) World Factbook
Iceland is a Nordic country between the North Atlantic and the Arctic Ocean. It has a population of 325,671 and an area of 103,000 km², making it the most sparsely populated country in Europe. Wikipedia