Coastal Investigations logo — a fractal coastline within a circleCoastal Investigations

Data

Interactive views of coastal data, starting with the world’s coastlines by region and country. Every dataset here comes with the coastline paradox caveat: the numbers depend on the scale of measurement.

World coastline length by region and country (approx., km)

AmericasOceaniaAsiaEuropeCanadaUnited StatesAustraliaPapua New GuineaIndonesiaJapanNorwayWorld coastlines543,941 km

Hover a segment for details. Click a region to zoom in; click the center to zoom back out. Figures are approximate — as the coastline paradox reminds us, every one of these numbers depends on the length of the ruler.