Percent of world oil reserves, 2018 - Country rankings:
The average for 2018 based on 188 countries was 0.53 percent.The highest value was in Venezuela: 18.18 percent and the lowest value was in Afghanistan: 0 percent. The indicator is available from 1980 to 2018. Below is a chart for all countries where data are available.
Measure: percent; Source: The U.S. Energy Information Administration
* indicates monthly or quarterly data series