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Tonga

Tonga Environment Stats

Definitions

STAT AMOUNT DATE RANK HISTORY
Adjusted net national income > Constant 2000 US$ $236.29 million 2005 166th out of 168
Adjusted net national income > Constant 2000 US$ per capita $2,340.41 2005 81st out of 168
Biodiversity > Bird species, threatened 5 2013 162nd out of 209
Biodiversity > Fish species, threatened 12 2013 149th out of 209
Biodiversity > Mammal species, threatened 2 2013 176th out of 209
CO2 Emissions per 1000 1.32 2003 96th out of 174
CO2 emissions > Kt 113.55 kt 2003 190th out of 194
Climate change > CO2 emissions > Metric tons per capita 1.51 2010 125th out of 198
Current issues deforestation results as more and more land is being cleared for agriculture and settlement; some damage to coral reefs from starfish and indiscriminate coral and shell collectors; overhunting threatens native sea turtle populations 2011
Endangered species > Bird species 4 2008 148th out of 197
Forest area > Sq. km > Per capita 0.391 km² per 1,000 people 2005 165th out of 193
Proportion of land area under protection 15.62% 2012 99th out of 217
Water > Drinking water > Population with improved drinking water sources > Rural 99.38 2011 45th out of 190
Water > Drinking water > Population with improved drinking water sources > Urban and rural 99.24 2011 54th out of 194
Water pollution > Organic water pollutant > BOD emissions > Kg per day 366.54 2004 59th out of 60

SOURCES: The Changing Wealth of Nations: Measuring Sustainable Development in the New Millennium; The Changing Wealth of Nations: Measuring Sustainable Development in the New Millennium. Population figures from World Bank: (1) United Nations Population Division. World Population Prospects, (2) United Nations Statistical Division. Population and Vital Statistics Report (various years), (3) Census reports and other statistical publications from national statistical offices, (4) Eurostat: Demographic Statistics, (5) Secretariat of the Pacific Community: Statistics and Demography Programme, and (6) U.S. Census Bureau: International Database.; United Nations Environmental Program and the World Conservation Monitoring Centre; Froese, R. and Pauly, D. (eds). 2008. FishBase database, www.fishbase.org.; United Nations Environmental Program and the World Conservation Monitoring Centre; World Resources Institute. 2003. Carbon Emissions from energy use and cement manufacturing, 1850 to 2000. Available on-line through the Climate Analysis Indicators Tool (CAIT) at Washington, DC: World Resources Institute. Population figures from World Bank: (1) United Nations Population Division. World Population Prospects, (2) United Nations Statistical Division. Population and Vital Statistics Report (various years), (3) Census reports and other statistical publications from national statistical offices, (4) Eurostat: Demographic Statistics, (5) Secretariat of the Pacific Community: Statistics and Demography Programme, and (6) U.S. Census Bureau: International Database.; World Development Indicators database; Carbon Dioxide Information Analysis Center, Environmental Sciences Division, Oak Ridge National Laboratory, Tennessee, United States.; CIA World Factbooks 18 December 2003 to 28 March 2011; United Nations Environmental Program and the World Conservation Monitoring Centre, and International Union for Conservation of Nature, Red List of Threatened Species.; United Nations Statistics Division. Source tables; United Nations Statistics Division. Source tables; United Nations Statistics Division. Source tables; 1998 study by Hemamala Hettige, Muthukumara Mani, and David Wheeler, ""Industrial Pollution in Economic Development: Kuznets Revisited"" (available at www.worldbank.org/nipr). The data were updated through 2005 by the World Bank's Development Research Group using the same methodology as the initial study.

Citation

"Tonga Environment Stats", NationMaster. Retrieved from http://www.nationmaster.com/country-info/profiles/Tonga/Environment