Humanities › Geography Largest Islands in the World The Largest Islands in Size and the Largest Islands by Population Share Flipboard Email Print Ilulissat Icefjord in the Disko Bay of North Greenland. Cornelia Doerr/Photodisc/Getty Images Geography Basics Physical Geography Political Geography Population Country Information Key Figures & Milestones Maps Urban Geography by Matt Rosenberg Matt Rosenberg is a professional geographer and writer with over 20 years of experience. He is the author of both a geography reference book and a guide to winning National Geography Bee contests. Updated March 17, 2017 Below you will find a list of the largest islands in the world based on size or area followed by a list of the largest islands in the world based on population. Largest Islands by Area Great Britain Source: Times Atlas of the World Largest Islands by Population Source: Wikipedia Continue Reading