Based on a comparison of 32 countries in 2014, USA ranked the highest in industrial petroleum stocks with 1,148 mil barrels followed by Japan and Canada. On the other end of the scale was Luxembourg with 0.728 mil barrels, Estonia with 0.885 mil barrels and Slovenia with 1.15 mil barrels.
Total industrial petroleum stocks reached 2,198 mil barrels in 2014 in the World according to EIA. This is 15.7 % less than in the previous year and -15.2 % less than 10 years ago.
Historically, total industrial petroleum stocks reached an all time high of 2,704 mil barrels in 1998 and an all time low of 1,555 mil barrels in 1992. The average annual growth amounted to -0.668 % since 1984.
The top ranked country, USA, accounted for 52.2 % of industrial petroleum stocks in the world. The top 3 countries hold a 72.0 % share while the ten largest countries some 100 % in 2014.
Data for more countries are available at Petroleum Stocks (Industry) indicator page.