Environment Database Freshwater resources (long term annual average, billion m3)
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Last updated: July 2017

Contact: ENV.Stat@oecd.org

Disclaimer: Data available to the OECD Secretariat by April 2017, and subject to possible slight revisions

Austria: Long-term annual average 1961-90

Belgium: Data exclude underground flows and include estimates

Canada: Long-term annual average 1971-2004

Chile: Long-term annual average 2000-2014

Colombia: Long-term annual average 1974-2012

Czech Republic: The long-term annual average refers to the latest 20 years

Estonia: Long-term annual average refers to the latest 30 years and includes only data about fresh surface water

France: Long-term annual average : 1981-2010. Inflow and outflow: outflow is computed using the throughput of rivers having their source in France but the mouth outside France; measures are taken at the French border using the daily throughputs.

Germany: Long-term annual average 1993-2013

Hungary: Long-term annual average 1971-2000

Israel: Long-term annual average 2000-2013

Japan: Long-term annual average 1971-2006

Korea: Long-term annual average 1974-2003

Latvia: Long-term annual average 2005-2013

Lithuania: Long-term annual average 2000-2014

Netherlands: Long-term annual average 1981-2010

Norway: The data for precipitation and evotranspiration refer to the period LTAA (long-term annual average) 1961-90 whereas the others to the period LTAA 1981-2010, that is why precipitation minus evotranspiration is different from internal resources.

Poland: Long-term annual average 1951-2014. Estimates on the base of mean annual flow. For more information, see: http://www.kzgw.gov.pl/ , http://www.pgi.gov.pl/ , http://www.psh.gov.pl/ , http://www.imgw.pl/

Slovak Republic: Long-term annual average is 1961-1990 for internal resources, 1961-2000 for external inflow

Slovenia: Long-term annual average is 1971-2000

Sweden: Long-term annual average : 1990-2009. The difference between precipitation and evapotranspiration refers to storage

Switzerland: Long-term annual average : 1981-2010

Turkey: Long-term annual average: data for internal flow refers to the period 1980-2011

Costa Rica: The long-term annual average refers to 1990-2014

Environment Database Freshwater resources (long term annual average, billion m3)Unit of measure usedCubic metresPower codeBillionsOther comments

Last updated: July 2017

Contact: ENV.Stat@oecd.org

Disclaimer: Data available to the OECD Secretariat by April 2017, and subject to possible slight revisions

Austria: Long-term annual average 1961-90

Belgium: Data exclude underground flows and include estimates

Canada: Long-term annual average 1971-2004

Chile: Long-term annual average 2000-2014

Colombia: Long-term annual average 1974-2012

Czech Republic: The long-term annual average refers to the latest 20 years

Estonia: Long-term annual average refers to the latest 30 years and includes only data about fresh surface water

France: Long-term annual average : 1981-2010. Inflow and outflow: outflow is computed using the throughput of rivers having their source in France but the mouth outside France; measures are taken at the French border using the daily throughputs.

Germany: Long-term annual average 1993-2013

Hungary: Long-term annual average 1971-2000

Israel: Long-term annual average 2000-2013

Japan: Long-term annual average 1971-2006

Korea: Long-term annual average 1974-2003

Latvia: Long-term annual average 2005-2013

Lithuania: Long-term annual average 2000-2014

Netherlands: Long-term annual average 1981-2010

Norway: The data for precipitation and evotranspiration refer to the period LTAA (long-term annual average) 1961-90 whereas the others to the period LTAA 1981-2010, that is why precipitation minus evotranspiration is different from internal resources.

Poland: Long-term annual average 1951-2014. Estimates on the base of mean annual flow. For more information, see: http://www.kzgw.gov.pl/ , http://www.pgi.gov.pl/ , http://www.psh.gov.pl/ , http://www.imgw.pl/

Slovak Republic: Long-term annual average is 1961-1990 for internal resources, 1961-2000 for external inflow

Slovenia: Long-term annual average is 1971-2000

Sweden: Long-term annual average : 1990-2009. The difference between precipitation and evapotranspiration refers to storage

Switzerland: Long-term annual average : 1981-2010

Turkey: Long-term annual average: data for internal flow refers to the period 1980-2011

Costa Rica: The long-term annual average refers to 1990-2014