Crude oil reserves as a share of worldwide reserves rose 0% to 0.001% in Mauritania in 2017, according to EIA.
Historically, crude oil reserves as a share of worldwide reserves in Mauritania reached an all time high of 0.008% in 2007 and an all time low of 0.001% in 2015.
Mauritania has been ranked 82nd within the group of 96 countries we follow in terms of crude oil reserves as a share of worldwide reserves, 17 places 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 |
| Algeria | % | 0.827% | 0.798% | 0.740% | 0.737% | 0.736% | ||||||||||||||||
| Burkina Faso | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Gambia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Guinea | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Libya | % | 3.15% | 3.08% | 2.91% | 2.93% | 2.92% | ||||||||||||||||
| Mali | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Mauritania | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 0.007% | 0.001% | 0.001% | 0.001% | 0.001% | ||||||
| Morocco | % | < 0.001% | < 0.001% | < 0.001% | < 0.001% | < 0.001% | ||||||||||||||||
| Niger | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 0.009% | 0.009% | 0.009% | ||
| Senegal | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| Spain | % | 0.010% | 0.010% | 0.009% | 0.009% | 0.009% | ||||||||||||||||
| Tunisia | % | 0.029% | 0.028% | 0.026% | 0.026% | 0.026% |
Helgi Library 
