How much of Earth’s surface is covered by the ocean? June 23, 2021 / By Preparation Point / OCEAN MCQs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn 20% 5% 40% 71% About 71 percent of the Earth’s surface is water-covered, and the oceans hold about 96.5 percent of all Earth’s water. Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn