china has a fair bit though it's also a huge consumer, but it's also using less all the time as it continues its electrification process. Most other counties are kicking that electrification can down the road.

https://en.wikipedia.org/wiki/Strategic_petroleum_reserve_%28China%29?wprov=sfla1

China does not officially report its volume, but as of 2026, China is estimated to hold the largest emergency reserves in the world, totalling 1.3 billion barrels.

Australia is the largest per capita user of diesel because we've ignored the issue for decades and gone all in on oil (diesel, gasoline, avgas etc) and have a 2 week strategic reserve, stored in the USA We're fools electing idiots down under.