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Japan Says No New Oil Reserve Release Planned Despite G7’s Fresh 100-Million-Barrel Pledge
Japan has no plans to launch a fresh release of crude oil from its national reserves, a top government spokesman said Monday, even as fellow G7 members committed just days earlier to a coordinated drawdown of 100 million barrels aimed at easing the global fuel crisis tied to the Iran war.
Chief Cabinet Secretary Minoru Kihara told reporters during a news conference in Asian trading hours that Japan has already been releasing crude from its reserves under an existing drawdown program, and that no additional tranche is currently being planned on top of that. The comments came just three days after the Group of Seven, which includes Japan alongside the US, Germany, France, Britain, Italy and Canada, agreed to jointly release 100 million barrels of crude oil and diesel from their collective emergency stockpiles over the coming months. Markets largely shrugged off Kihara’s remarks, with no immediate move recorded in the Japanese yen following the statement.
The clarification matters less as fresh policy and more as a status update on a release that’s already well underway. Japan holds some of the largest strategic and commercial oil reserves in the world, and the country has tapped into them repeatedly throughout this year’s conflict as part of coordinated drawdowns alongside other major oil-consuming nations. Kihara’s comments Monday effectively confirm that Japan intends to keep working through its existing commitment rather than layering a new release on top of the G7’s latest announcement, a distinction that market analysts describe as confirmatory rather than something likely to move prices on its own.
That framing lines up with how these kinds of coordinated releases have typically played out. Analysts have noted that reserve releases tend to cap price rallies only for as long as barrels are actually flowing into the market, and that once a release gets priced in and absorbed by traders, oil prices tend to drift back toward whatever the underlying supply and demand balance actually supports. The more meaningful signals going forward, according to that view, will be whether Japan or other importing nations step up the pace of their ongoing drawdowns, whether additional coordination emerges between consuming countries, and how refiners’ own tender activity responds in the weeks ahead, rather than the simple existence of Monday’s confirmatory statement.
Japan’s reserve commitments this year trace back to the earliest weeks of the conflict. The country first began tapping its strategic reserves back in March, shortly after the war between the US, Israel and Iran broke out and disrupted oil shipments through the Strait of Hormuz. That initial drawdown was followed in April by a more substantial pledge from Prime Minister Sanae Takaichi, who announced plans to release an additional roughly 20 days’ worth of government-held national oil reserves starting the following month, specifically framed as a measure to ensure stable crude supply given how directly the Middle East conflict threatens Japan’s energy security. Japan depends on the Middle East for around 95 percent of its oil imports, making it one of the countries most exposed to any disruption in that region, and explaining why Tokyo moved so early and so aggressively compared with some of its G7 counterparts.
The picture grew more complicated later in the year. By August and September, Japan’s economy minister Ryosei Akazawa said the country was holding off on launching any new reserve release even as crude imports were expected to fall to around 80 percent of the 2025 monthly average, a drop driven not by the Hormuz disruption directly but by Yemen’s Houthi forces threatening shipping through the Red Sea’s Bab el-Mandeb Strait, forcing tankers to reroute around the Suez Canal instead. That detour more than doubles transit time to Japan, stretching a voyage that normally takes 23 days through Bab el-Mandeb into a 55-day journey via the longer route. Rather than authorizing a fresh reserve release to offset that shortfall, Akazawa pointed out that a portion of national reserves Japan had already approved for release hadn’t actually been used yet, since progress in securing alternative crude supplies had reduced the need to draw on it. He said using that remaining, already-approved portion would be enough to keep September’s crude supply roughly equivalent to an average month from the prior year.
That pattern, leaning on previously authorized but unused reserve allocations rather than announcing new ones, appears to be exactly what’s continuing into October. Japan’s total petroleum reserves have historically run enormous by international standards, with the country holding roughly 473 million barrels across its combined national, private-sector and joint storage programs as of earlier this year, equivalent to well over 200 days of domestic consumption and far exceeding the 90-day minimum Japanese law requires.
For now, Kihara’s comments suggest Tokyo sees its current drawdown pace as sufficient to manage the country’s needs without requiring a new commitment layered on top of the G7’s broader 100-million-barrel pledge. Whether that calculation holds will likely depend on how the Hormuz and Red Sea disruptions evolve in the weeks ahead, and whether Saudi Arabia and other Gulf producers can sustain the recovering export volumes that have helped ease pressure on oil markets more broadly in recent days.
