Bouvet Island additional quotas were awarded from 2008 for a total catch of . There is a controversy as to whether the fisheries are sustainable, particularly in relation to krill being important food for whales. In 2009, Norway filed with the UN Commission on the Limits of the Continental Shelf to extend the outer limit of the continental shelf past surrounding the island. The "Hanse Explorer" expedition ship visited Bouvet Island on 20 and 21 February 2012 as part of "Expédition pour le Futur". The expedition's goal was to land and summit the highest point on the island. The first four climbers
Dependency ratio young adults migrate into their country. This method has shown great results in Asia's economic growth. The increase in the involvement of women in the work force has contributed to the working-age population which compliments the dependency ratio for a country. Encouraging women to work will help decrease the dependency ratio. Because more women are getting a higher education, it is less likely for them to have children causing the fertility rates to decrease as well. The age-dependency ratio can determine which stage in the Demographic Transition Model a certain country is in. The dependency ratio acts like a rollercoaster