Top Ten Countries With Largest Volcanic Islands

• Indonesia – with many large volcanic islands such as Java, Sumatra, Bali, and Sulawesi
• Japan – with islands like Honshu, Hokkaido, and Kyushu being of volcanic origin
• Papua New Guinea – with New Britain and New Ireland being notable volcanic islands
• Philippines – with islands like Luzon, Mindanao, and Negros having active volcanoes
• Iceland – with the whole country being essentially a large volcanic island
• United States – with Hawaii being a well-known volcanic island chain
• Cape Verde – with several volcanic islands including Fogo and Santo Antão
• Comoros – with Grande Comore being a large volcanic island
• Vanuatu – with islands like Ambrym, Tanna, and Epi being volcanic
• Kiribati – with Banaba being a notable volcanic island.

Source: http://www.worldatlas.com/aatlas/infopage/islands.htm