Land Area of the World’s Four Largest Islands

Ranked by total area (including inland water bodies):

Combined Land Mass

4,287,048 km² (1,655,238 sq mi) — roughly the size of the European Union or two-thirds of the contiguous United States.

Notes

• Australia is a continent, not an island, per geographic convention.
• Antarctica is a continental landmass covered by ice sheet.
• Figures vary slightly by source (CIA World Factbook, UN, national surveys).