Natural Gas: Proved reserves Change 2010
2010 over share
Trillion cubic metres 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2009 of total
US 5.6 5.7 5.7 5.7 5.6 5.5 5.4 5.3 4.8 4.7 4.8 4.7 4.7 4.6 4.6 4.7 4.7 4.7 4.6 4.7 5.0 5.2 5.3 5.4 5.5 5.8 6.0 6.7 6.9 7.7 7.7 - 4.1%
Canada 2.5 2.6 2.6 2.6 2.8 2.8 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.2 1.9 1.9 1.9 1.8 1.7 1.7 1.7 1.7 1.7 1.6 1.6 1.6 1.6 1.6 1.8 1.7 1.7 - 0.9%
Mexico 1.8 2.1 2.1 2.2 2.2 2.2 2.1 2.1 2.1 2.1 2.0 2.0 2.0 2.0 1.9 1.9 1.8 1.8 0.9 0.9 0.8 0.8 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 3.0% 0.3%
Total North America 10.0 10.4 10.4 10.5 10.6 10.4 10.3 10.1 9.5 9.5 9.5 9.5 9.3 8.8 8.5 8.5 8.5 8.3 7.2 7.3 7.5 7.7 7.4 7.4 7.5 7.8 8.0 8.9 9.2 9.9 9.9 0.1% 5.3%
Argentina 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.8 0.7 0.7 0.6 0.5 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.8 0.8 0.7 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.3 -8.5% 0.2%
Bolivia 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.5 0.7 0.8 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7 0.3 -59.6% 0.2%
Brazil 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.4 0.4 0.4 0.4 15.2% 0.2%
Colombia 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 - 0.1%
Peru 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.4 0.4 - 0.2%
Trinidad & Tobago 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.3 0.3 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 -10.6% 0.2%
Venezuela 1.3 1.4 1.5 1.6 1.7 1.7 2.6 2.8 2.9 3.0 3.4 3.6 3.7 3.7 4.0 4.1 4.1 4.1 4.1 4.2 4.2 4.2 4.2 4.2 4.3 4.3 4.7 4.8 5.0 5.1 5.5 7.4% 2.9%
Other S. & Cent. America 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -6.5% w
Total S. & Cent. America 2.7 2.9 3.0 3.1 3.1 3.2 4.2 4.7 4.8 4.8 5.2 5.3 5.4 5.4 5.7 5.9 6.0 6.2 6.4 6.8 6.9 7.0 7.0 6.8 7.0 6.8 7.2 7.4 7.4 7.5 7.4 -0.8% 4.0%
Azerbaijan n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a 0.8 0.8 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.3 1.3 1.3 0.5% 0.7%
Denmark 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 -18.8% w
Germany 0.2 0.2 0.2 0.3 0.3 0.2 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 -11.8% w
Italy 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 - w
Kazakhstan n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.9 1.8 1.9 1.8 -1.9% 1.0%
Netherlands 1.9 1.8 1.8 1.8 1.7 1.7 1.7 1.6 1.6 1.6 1.8 1.8 1.7 1.7 1.7 1.6 1.6 1.6 1.6 1.6 1.5 1.5 1.4 1.4 1.3 1.3 1.2 1.2 1.1 1.2 1.2 - 0.6%
Norway 0.4 0.4 0.3 0.4 0.4 0.5 0.5 1.2 1.7 1.7 1.7 1.3 1.4 1.4 1.3 1.4 1.5 1.2 1.2 1.2 1.3 2.2 2.1 2.5 2.4 2.4 2.3 2.3 2.2 2.0 2.0 -0.2% 1.1%
Poland 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 - 0.1%
Romania 0.3 0.3 0.3 0.2 0.2 0.3 0.2 0.2 0.2 0.1 0.1 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.6 0.6 0.6 0.6 0.6 -1.8% 0.3%
Russian Federation n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a 43.8 43.5 42.4 42.3 42.4 42.5 43.4 43.3 43.3 43.3 43.3 43.3 44.4 44.8 0.9% 23.9%
Turkmenistan n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a 2.6 2.5 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 8.1 8.0 8.0 -0.2% 4.3%
Ukraine n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.9 -2.1% 0.5%
United Kingdom 0.7 0.7 0.6 0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.5 0.5 0.6 0.6 0.7 0.7 0.8 0.8 0.8 1.3 1.2 1.1 1.0 0.9 0.8 0.5 0.4 0.3 0.3 0.3 0.3 - 0.1%
Uzbekistan n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a 1.6 1.6 1.6 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.6 1.6 -3.9% 0.8%
Other Europe & Eurasia 29.3 31.1 32.0 32.9 34.3 36.6 37.5 38.1 38.8 47.4 49.7 50.1 51.2 52.6 52.9 52.2 51.5 0.5 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.5 0.4 0.4 0.3 -33.5% 0.2%
Total Europe & Eurasia 33.2 34.8 35.6 36.7 38.0 40.4 41.2 42.6 43.7 52.3 54.5 54.9 56.1 57.5 57.7 57.0 56.4 56.8 56.3 56.2 55.9 56.8 56.7 57.8 57.4 57.3 57.1 57.0 62.2 63.0 63.1 0.1% 33.7%
Bahrain 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 -5.5% 0.1%
Iran 14.1 14.1 14.1 14.0 14.0 14.0 14.0 13.9 14.2 17.0 17.0 19.8 20.7 20.7 20.8 19.4 23.0 23.0 24.1 25.0 26.0 26.1 26.7 27.6 27.5 27.6 26.9 28.1 29.6 29.6 29.6 - 15.8%
Iraq 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1.0 2.7 3.1 3.1 3.1 3.1 3.1 3.1 3.4 3.4 3.2 3.2 3.3 3.1 3.1 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 -0.1% 1.7%
Kuwait 1.1 1.0 1.0 1.0 1.0 1.0 1.2 1.2 1.4 1.4 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.6 1.6 1.6 1.6 1.6 1.6 1.8 1.8 1.8 1.8 1.8 - 1.0%
Oman 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.1 0.2 0.2 0.3 0.5 0.6 0.5 0.6 0.8 0.9 0.9 0.9 1.0 1.0 1.0 1.0 1.0 0.7 0.7 0.7 - 0.4%
Qatar 2.8 2.8 3.1 3.4 4.3 4.4 4.4 4.4 4.6 4.6 4.6 6.4 6.7 7.1 7.1 8.5 8.5 8.5 10.9 11.2 14.4 25.8 25.8 25.3 25.4 25.6 25.5 25.5 25.4 25.3 25.3 - 13.5%
Saudi Arabia 3.2 3.3 3.4 3.5 3.6 3.7 4.0 4.2 5.0 5.2 5.2 5.2 5.2 5.2 5.3 5.5 5.7 5.9 6.1 6.1 6.3 6.5 6.6 6.8 6.8 6.8 7.1 7.3 7.6 7.9 8.0 1.2% 4.3%
Syria 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 -2.7% 0.1%
United Arab Emirates 2.4 2.5 3.0 3.0 3.1 3.1 5.4 5.7 5.7 5.7 5.6 5.8 5.8 5.8 6.8 5.9 5.8 6.1 6.0 6.0 6.0 6.1 6.1 6.0 6.1 6.1 6.4 6.4 6.1 6.1 6.0 -1.0% 3.2%
Yemen - - - - - - 0.0 0.1 0.2 0.2 0.2 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 -0.3% 0.3%
Other Middle East ^ ^ ^ ^ ^ ^ ^ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.0 0.0 0.1 0.2 132.6% 0.1%
Total Middle East 24.7 25.0 25.9 26.4 27.4 27.7 30.4 31.2 34.3 37.8 38.0 42.7 44.0 44.4 45.6 45.4 49.3 49.5 53.2 54.7 59.1 70.9 71.8 72.4 72.4 72.8 72.8 74.2 75.2 75.7 75.8 0.2% 40.5%
Algeria 3.7 3.7 3.6 3.5 3.4 3.3 3.3 3.2 3.2 3.3 3.3 3.6 3.7 3.7 3.0 3.7 3.7 4.1 4.1 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 - 2.4%
Egypt 0.1 0.1 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.6 0.6 0.6 0.8 0.9 1.0 1.2 1.4 1.6 1.7 1.7 1.9 1.9 2.0 2.1 2.2 2.2 2.2 0.9% 1.2%
Libya 0.7 0.7 0.7 0.6 0.6 0.6 0.7 0.7 0.8 1.2 1.2 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.5 1.5 1.5 1.3 1.4 1.5 1.5 1.5 1.5 - 0.8%
Nigeria 1.2 1.1 1.4 1.4 1.4 1.3 2.4 2.4 2.5 2.8 2.8 3.4 3.7 3.7 3.5 3.5 3.5 3.5 3.5 3.5 4.1 4.6 5.0 5.1 5.2 5.2 5.2 5.3 5.3 5.3 5.3 - 2.8%
Other Africa 0.3 0.3 0.4 0.5 0.6 0.6 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.7 0.8 0.8 0.8 0.8 0.8 0.9 1.1 1.1 1.1 1.0 1.1 1.2 1.2 1.2 1.2 1.2 1.2 1.2% 0.6%
Total Africa 6.0 5.9 6.3 6.3 6.2 6.2 7.4 7.4 7.7 8.5 8.6 9.5 9.9 10.0 9.1 9.9 10.2 10.6 10.8 11.4 12.5 13.1 13.8 13.9 14.2 14.1 14.4 14.6 14.6 14.7 14.7 0.2% 7.9%
Australia 0.2 0.5 0.6 0.6 0.7 0.7 0.9 1.1 1.0 1.0 0.9 1.0 1.0 1.0 1.3 1.3 1.4 1.5 2.0 2.0 2.2 2.7 2.5 2.4 2.3 2.4 2.4 2.3 3.1 2.9 2.9 - 1.6%
Bangladesh 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.7 0.7 0.7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.3 0.4 0.4 0.6% 0.2%
Brunei 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 -2.5% 0.2%
China 0.7 0.7 0.9 0.9 0.9 0.9 0.9 0.9 0.9 1.0 1.0 1.0 1.4 1.7 1.7 1.7 1.2 1.2 1.4 1.4 1.4 1.4 1.3 1.3 1.4 1.5 1.7 2.3 2.5 2.8 2.8 2.1% 1.5%
India 0.3 0.4 0.4 0.5 0.5 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.6 0.7 0.7 0.6 0.8 0.8 0.8 0.9 0.9 1.1 1.1 1.1 1.1 1.1 1.5 30.0% 0.8%
Indonesia 0.8 0.9 1.0 1.2 1.7 2.0 2.3 2.4 2.6 2.6 2.9 1.8 1.8 1.8 1.8 2.0 2.1 2.2 2.2 2.6 2.7 2.6 2.6 2.6 2.8 2.5 2.6 3.0 3.2 3.0 3.1 1.0% 1.6%
Malaysia 0.9 1.4 1.4 1.4 1.4 1.5 1.5 1.5 1.5 1.6 1.6 1.7 1.7 1.8 1.9 2.3 2.4 2.5 2.4 2.5 2.3 2.5 2.5 2.5 2.5 2.5 2.5 2.4 2.4 2.4 2.4 - 1.3%
Myanmar 0.1 0.1 0.1 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.5 0.5 0.5 0.5 0.3 0.3 0.3 - 0.2%
Pakistan 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.7 0.7 0.6 0.8 0.6 0.7 0.6 0.6 0.6 0.6 0.6 0.7 0.7 0.7 0.8 0.8 0.8 0.9 0.8 0.9 0.8 0.8 0.8 0.7% 0.4%
Papua New Guinea - - - - - 0.0 0.0 0.1 0.1 0.2 0.2 0.4 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 w 0.2%
Thailand 0.3 0.4 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.4 0.3 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 - 0.2%
Vietnam - - - - - - - - - - 0.0 0.0 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.5 0.6 0.7 0.6 -9.5% 0.3%
Other Asia Pacific 0.2 0.2 0.2 0.2 0.2 0.3 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.3 0.3 0.4 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 -0.9% 0.2%
Total Asia Pacific 4.5 5.6 6.0 6.2 7.0 7.5 8.2 8.4 8.8 9.5 9.9 9.3 9.4 9.8 10.1 10.5 10.4 10.7 11.6 12.1 12.3 13.1 13.0 13.1 13.4 13.5 13.8 14.7 15.8 15.8 16.2 2.2% 8.7%
Total World 81.0 84.6 87.2 89.2 92.3 95.4 101.7 104.4 108.8 122.4 125.7 131.2 134.1 135.9 136.7 137.3 140.8 142.2 145.4 148.6 154.3 168.5 169.6 171.3 171.8 172.3 173.2 176.7 184.4 186.6 187.1 0.3% 100.0%
                 OECD 14.3 14.8 14.9 15.2 15.3 15.2 15.3 16.0 15.8 15.7 15.7 15.2 15.2 14.6 14.5 14.6 14.7 14.5 13.7 14.4 14.7 16.1 15.4 15.3 15.1 15.1 15.1 15.7 16.5 17.0 17.1 0.6% 9.1%
                 Non-OECD 66.7 69.8 72.3 74.0 77.0 80.2 86.4 88.4 93.0 106.7 109.9 116.1 118.9 121.3 122.2 122.7 126.0 127.7 131.7 134.2 139.6 152.5 154.2 156.0 156.6 157.2 158.2 161.0 167.9 169.6 170.0 0.3% 90.9%
                 European Union 3.7 3.6 3.5 3.6 3.6 3.5 3.6 3.5 3.4 3.4 3.4 3.8 3.8 3.7 3.7 3.6 3.6 3.6 3.5 4.0 3.8 3.6 3.4 3.2 3.1 3.0 2.8 2.6 2.5 2.5 2.4 -1.4% 1.3%
                 Former Soviet Union 29.0 30.8 31.7 32.6 33.9 36.2 37.1 37.7 38.5 47.1 49.3 49.8 50.9 52.3 52.6 51.9 51.3 51.9 51.5 50.9 50.8 50.9 51.1 52.0 51.8 51.8 51.9 52.0 57.4 58.4 58.5 0.2% 31.3%
 ^ Less than 0.05.
w Less than 0.05%
  n/a not available 
Notes: Proved reserves of natural gas - Generally taken to be those quantities that geological and engineering information
 indicates with reasonable certainty can be recovered in the future from known reservoirs under existing 
 economic and operating conditions. 
Source of data: The estimates in this table have been compiled using a combination of primary official sources and third party data from Cedigaz and the OPEC Secretariat.