Arctic Circle level, although in mountainous regions there is often no direct view of the true horizon. Only four million people live north of the Arctic Circle due to the severe climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. Tens of thousands of years ago, waves of people migrated from eastern Siberia across the Bering Strait into North America to settle. The largest communities north of the Arctic Circle are situated in Russia, Norway and Sweden: Murmansk (population 307,257), Norilsk (175,365), Tromsø (71,295), Vorkuta (59,231) and Kiruna
Arctic Circle (organization) National Press Club in Washington, Iceland President Ólafur Ragnar Grímsson said that "the Arctic has suffered from a lack of global awareness and, as a result, a lack of effective governance. In the past, the region did not matter to the world's decision-makers and was largely forgotten. Now, with sea-ice levels at their lowest point in recorded history, the world is waking up to the challenges and opportunities the Arctic presents for its citizens as well as those who live in lower latitudes." Participants in the Arctic Circle since its inaugural Assembly in October 2013 have included institutional and governmental