7 Countries with the Longest Coastlines in the World

5 – Russia

Length of Coastline – 37,653 KM

Russia is among the top five countries with the longest coastlines in the world. Its coastline borders the Arctic Ocean in the North, the Atlantic Ocean in the west, and the Pacific Ocean in the east. However, coastal erosion is a significant issue in the country with approximately 25,000 kilometers of the marine coast experiencing severe erosion, particularly in the Russian Arctic where permafrost coastlines are prone to erosion due to rising sea levels and thermokarst areas.