Strategic Oil Reserves: China Leads with Massive Emergency Stock, Know How Much Oil Countries Hold

As Iran - Israel- U.S. war is continuing and global energy markets face increasing pressures, it is important to know about strategic oil reserves that countries around the world maintain for emergency situations. 

These reserves serve as a national safety stock, allowing governments to release oil during wars, supply shocks, or natural disasters. The modern global system of emergency reserves was largely shaped after the 1973 Oil Crisis, when an oil embargo started severe shortages and economic turmoil across many nations.

Following the crisis, member countries of the International Energy Agency (IEA) agreed to maintain emergency oil stocks equivalent to at least 90 days of net oil imports, ensuring that economies could withstand temporary supply disruptions.

Who Holds the Most?

Today, several major countries maintain vast petroleum stockpiles. These reserves are typically stored in underground areas or large surface tanks.

USA

The largest government-controlled reserve belongs to the United States. The Strategic Petroleum Reserve has a maximum storage capacity of about 714 million barrels, though actual stored volumes vary depending on market conditions and government releases.

China

China has hugely expanded its emergency reserves through the China Strategic Petroleum Reserve as part of a long-term strategy. Although official data is limited, analysts estimate China’s strategic storage to range between 400 million and 900 million barrels.

Japan

Japan maintains one of the most extensive reserve systems among energy-importing countries. Combined government and industry stockpiles amount to about 500 million barrels.

South Korea

South Korea operates the South Korea Strategic Petroleum Reserve, with approximately 200 million barrels of storage capacity.

Europe

In Europe many countries maintain reserves individually under IEA obligations. Combined stocks across the European Union exceed 1.5 billion barrels when government and mandatory industry reserves are included.

India’s Strategic Reserve

India is the world’s third largest oil importer, has been steadily building its emergency reserves under the Indian Strategic Petroleum Reserves system, managed by Indian Strategic Petroleum Reserves Limited. India's, facilities store approximately 5.33 million tonnes of crude oil (about 39 million barrels).

To strengthen long-term energy security, India is expanding its reserve capacity. These projects are expected to add around 6.5 million tonnes of storage capacity.

In addition to the Strategic Petroleum Reserve, India has a broader national energy buffer that includes commercial stocks held by oil companies. According to a recent government report, the combined reserves of crude oil and petroleum products total over 250 million barrels, providing coverage for seven to eight weeks across the entire energy supply chain.