Proved Natural Gas Reserves
Countries
Continents
at end 1991 at end 2001 at end 2010 Trillion cubic
feet
Trillion cubic
metres
Trillion cubic
metres
Trillion cubic
metres
US 4,74 5,2 8,2 299,83
Canada 2,72 1,7 1,79 70,02
Mexico 2,01 0,8 0,34 12,5
Total North America 9,47 7,70 10,33 382,35
 
Argentina 0,65 0,77 0,36 12,03
Bolivia 0,12 0,78 0,29 9,93
Brazil 0,13 0,22 0,42 15,99
Colombia 0,1 0,13 0,16 5,76
Peru 0,35 0,25 0,36 12,47
Trinidad & Tobago 0,24 0,58 0,39 14,17
Venezuela 3,59 4,18 5,46 195,19
Other S. & Cent. America 0,17 0,13 0,07 2,24
Total S. & Cent. America 5,31 7,01 7,47 267,74
 
Azerbaijan n/a 1,24 1,28 44,87
Denmark 0,11 0,15 0,06 1,63
Germany 0,17 0,2 0,07 2,2
Italy 0,34 0,17 0,1 3,08
Kazakhstan n/a 1,78 1,89 66,44
Netherlands 1,77 1,47 1,11 38,89
Norway 1,28 2,19 2,05 73,11
Poland 0,16 0,12 0,13 4,28
Romania 0,49 0,33 0,6 3,85
Russian Federation n/a 42,36 44,38 1574,98
Turkmenistan n/a 2,59 13,38 858,81
Ukraine n/a 1,01 0,94 33,02
United Kingdom 0,55 1,11 0,21 7,14
Uzbekistan n/a 1,68 1,61 56,59
Other Europe & Eurasia 50,11 0,46 0,29 10,02
Total Europe & Eurasia 54,92 56,78 68 2778,84
 
Bahrain 0,18 0,11 0,22 12,28
Iran 19,8 26,11 33,1 1168,57
Iraq 3,1 3,11 3,18 126,71
Kuwait 1,52 1,56 1,79 63,01
Oman 0,1 0,95 0,95 33,55
Qatar 6,43 25,79 25,05 884,53
Saudi Arabia 5,23 6,46 8,02 287,83
Syria 0,21 0,25 0,29 10,07
United Arab Emirates 5,8 6,06 6,09 215,07
Yemen 0,4 0,48 0,49 16,92
Other Middle East (2) 0,06 0,23 7,81
Total Middle East 42,73 70,9 79,37 2826,29
 
Algeria 3,63 4,53 4,51 159,06
Egypt 0,4 1,56 2,22 77,34
Libya 1,31 1,32 1,5 52,8
Nigeria 3,41 4,64 5,12 180,46
Other Africa 0,79 1,11 1,21 43,54
Total Africa 9,52 13,14 14,53 513,19
 
Australia 0,95 2,67 3,67 132,76
Bangladesh 0,73 0,35 0,36 12,51
Brunei 0,4 0,36 0,31 10,18
China 1,01 1,37 2,86 107,75
India 0,74 0,77 1,15 43,83
Indonesia 1,85 2,61 2,97 104,71
Malaysia 1,68 2,49 2,44 86,01
Myanmar 0,28 0,35 0,23 7,81
Pakistan 0,76 0,75 0,82 27,51
Papua New Guinea 0,41 0,43 0,45 15,61
Thailand 0,25 0,38 0,3 9,95
Vietnam (2) 0,2 0,62 21,8
Other Asia Pacific 0,32 0,39 0,36 12,13
Total Asia Pacific 9,33 13,06 16,47 592,49
 
Total World 131,24 168,55 196,14 7360,86
of which: OECD 15,18 16,09 18,09 660,2
Non-OECD 116,06 152,46 178,05 6700,66
European Union 3,76 3,63 2,33 64,41
Former Soviet Union 49,78 50,88 63,55 2638,54
 
Countries
Continents
at end 2011 Share
of total
R/P
ratio
Trillion cubic
metres
US 8,49 4,1% 13,04
Canada 1,99 1,0% 12,36
Mexico 0,36 0,2% 6,75
Total North America 10,84 5,3% 12,53
 
Argentina 0,35 0,2% 8,78
Bolivia 0,29 0,1% 18,3
Brazil 0,46 0,2% 27,1
Colombia 0,17 0,1% 14,88
Peru 0,36 0,2% 31,07
Trinidad & Tobago 0,41 0,2% 9,87
Venezuela 5,53 2,7% (1)
Other S. & Cent. America 0,07 (3) 23,71
Total S. & Cent. America 7,59 3,6% 45,22
 
Azerbaijan 1,28 0,6% 85,79
Denmark (2) (3) 6,52
Germany 0,07 (3) 6,22
Italy 0,09 (3) 11,37
Kazakhstan 1,89 0,9% 97,63
Netherlands 1,11 0,5% 17,16
Norway 2,07 1,0% 20,41
Poland 0,13 0,1% 28,29
Romania 0,11 0,1% 9,91
Russian Federation 44,6 21,4% 73,48
Turkmenistan 24,32 11,7% (1)
Ukraine 0,94 0,4% 51,29
United Kingdom 0,21 0,1% 4,47
Uzbekistan 1,61 0,8% 28,11
Other Europe & Eurasia 0,29 0,1% 29,4
Total Europe & Eurasia 78,69 37,8% 75,93
 
Bahrain 0,35 0,2% 26,8
Iran 33,1 15,9% (1)
Iraq 3,59 1,7% (1)
Kuwait 1,79 0,9% (1)
Oman 0,95 0,5% 35,83
Qatar 25,05 12,0% (1)
Saudi Arabia 8,16 3,9% 82,14
Syria 0,29 0,1% 34,26
United Arab Emirates 6,09 2,9% (1)
Yemen 0,48 0,2% 50,75
Other Middle East 0,23 0,1% 49,32
Total Middle East 80,04 38,4% (1)
 
Algeria 4,51 2,2% 57,75
Egypt 2,2 1,1% 35,75
Libya 1,5 0,7% (1)
Nigeria 5,12 2,5% (1)
Other Africa 1,24 0,6% 63,41
Total Africa 14,54 7,0% 71,71
 
Australia 3,76 1,8% 83,61
Bangladesh 0,36 0,2% 17,81
Brunei 0,29 0,1% 22,51
China 3,06 1,5% 29,76
India 1,25 0,6% 26,9
Indonesia 2,97 1,4% 39,23
Malaysia 2,44 1,2% 39,42
Myanmar 0,23 0,1% 17,82
Pakistan 0,78 0,4% 19,89
Papua New Guinea 0,45 0,2% (1)
Thailand 0,29 0,1% 7,61
Vietnam 0,62 0,3% 72,3
Other Asia Pacific 0,35 0,2% 18,92
Total Asia Pacific 16,78 8,0% 35,02
 
Total World 208,44 100,0% 63,63
of which: OECD 18,7 9,0% 16,01
Non-OECD 189,75 91,0% 90,01
European Union 1,83 0,9% 11,77
Former Soviet Union 74,72 35,8% 96,27
 

Notes:

(1) More than 100 years
(2) Less than 0.05
(3) Less than 0.05%

Proved reserves of oil - 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.

Reserves-to-production (R/P) ratio - If the reserves remaining at the end of any year are divided by the production in that year, the result is the length of time that those remaining reserves would last if production were to continue at that rate.

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.

Graphics of global Natural Gas Reserves-to-production (R/P) ratios

World Proved Gas Reserves

World natural gas proved reserves in 2010 were sufficient to meet 58.6 years of global production. R/P ratios declined for each region, driven by rising production. The Middle East once again had the highest regional R/P ratio, while Middle East and Former Siviet Union regions jointly hold 72% of the world's gas reserves.

BP (British Petroleum)

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