Crude oil reserves as a share of worldwide reserves rose 0% to 0.067% in Brunei in 2017, according to EIA.
Historically, crude oil reserves as a share of worldwide reserves in Brunei reached an all time high of 0.280% in 1980 and an all time low of 0.066% in 2015. When compared to Brunei's main peers, crude oil reserves as a share of worldwide reserves in Indonesia amounted to 0.196%, 0.218% in Malaysia, 0.008% in Philippines and 0.267% in Vietnam in 2017.
Brunei has been ranked 39th within the group of 96 countries we follow in terms of crude oil reserves as a share of worldwide reserves, 1 place below the position seen 10 years ago.
| Crude Oil Reserves (As % of Worldwide Reserves) | Unit | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |
| Australia | % | 0.225% | 0.093% | 0.087% | 0.087% | 0.072% | ||||||||||||||||
| Brunei | % | 0.075% | 0.072% | 0.067% | 0.066% | 0.066% | ||||||||||||||||
| Cambodia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| China | % | 1.38% | 1.33% | 1.44% | 1.47% | 1.49% | ||||||||||||||||
| Indonesia | % | 0.270% | 0.254% | 0.244% | 0.226% | 0.223% | ||||||||||||||||
| Laos | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Malaysia | % | 0.271% | 0.262% | 0.243% | 0.242% | 0.241% | ||||||||||||||||
| Philippines | % | 0.009% | 0.009% | 0.008% | 0.008% | 0.008% | ||||||||||||||||
| Singapore | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Taiwan | % | < 0.001% | < 0.001% | < 0.001% | < 0.001% | < 0.001% | ||||||||||||||||
| Thailand | % | 0.029% | 0.029% | 0.027% | 0.027% | 0.028% | ||||||||||||||||
| Vietnam | % | 0.041% | 0.288% | 0.267% | 0.266% | 0.265% |
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