Lost BooksFollowSep 18, 2016·1 min read·Member-onlyWhat percentage of Earth’s surface is land?29% according to this (that is, 71% of Earth’s surface is water):How much water is there on Earth, from the USGS Water Science SchoolHow much water is there on Earth, from the U.S. Geological Survey's Water Science School site; it is all about water.water.usgs.gov