100 Days of the Iran War in Numbers
There have been more days of ceasefire than fighting in the first 100 days of the Iran war, but the shooting hasn't stopped and global costs are still rising.
The United States and Israel exchanged fire with Iran and its proxies for 39 days from February 28 to April 7, while June 7 marked 61 days of relative peace.
Secretary of State Marco Rubio declared on May 5 that Operation Epic Fury was over and said again on June 3 that the military campaign had been successful in degrading Iran's conventional military and its arsenal of cheap missiles and drones.
However, the future of Iran's nuclear program is still in limbo and a lasting peace still elusive.
June 7 also is the 56th day of the U.S. naval blockade against Iranian ports, including in the Strait of Hormuz. It is one of two simultaneous operations-the other by Iran's Revolutionary Guard-still shutting down traffic in one of the world's most important waterways.
Energy: The Global Price Shock
Crude oil and petroleum-derived products have long been indicators of global instability when the fossil fuel demand baked into most economies does not quickly adjust to changes in supply.
When Iran shut the Strait of Hormuz in response to U.S. and Israeli strikes on February 28, it cut 25 percent of crude oil and 20 percent of liquified natural gas from the world's supply. Commodity prices spiked overnight.
In the U.S., the average price of regular gasoline hit $4.35 per gallon in May, nearing the $4.84 record set in 2022 after the start of the Ukraine war and surpassing the $4.05 mark during the financial crisis of 2008.
Diesel and jet fuel, both refined from the U.S. benchmark West Texas crude, all trended toward record highs, according to data from the Energy Information Administration. They are expected to stay that way through 2026, even if the war ends tomorrow.
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Weekly prices of key commodities in the U.S. and Europe
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California pays the most for gas due to a combination of local, state and federal taxes, the EIA says. Indiana pays the least, thanks in part to the continued suspension of two gas taxes through July.
A tracker built by researchers at Brown University calculates that U.S. consumers have paid an extra $54.9 billion, or over $418 per household, since the war began, either directly at the pump or due to fuel-related increases.
The figure is nearly double what the Defense Department said it had spent on the Iran war by mid-May, although that number is widely believed to be an undercount.
To stabilize the market, the U.S. government has drawn on its Strategic Petroleum Reserve, the emergency crude stockpile maintained by the Energy Department, but it's a temporary fix. Weekly ending stocks fell to 357,119 barrels on May 29, the EIA said.
The Pentagon itself faces an extra $1 billion fuel bill in the next six months, according to the Defense Logistics Agency's latest budget estimates.
“The last time oil prices spiked like this due to a major conflict was in the 1991 Gulf War-but in that case the Saudis soon stepped up oil supplies and prices came back down within weeks,” said Jeff Colgan, a professor of political science at Brown University’s Watson Institute for Public and International Affairs.
“Not like this time, where we can expect months of elevated fuel prices-all because of a war most Americans don’t want and didn’t want in the first place,” Colgan told Newsweek.
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7-day moving averages of vessel traffic in maritime trade routes
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More than 1 billion barrels of oil, or an estimated 14 million barrels per day, have been shut inside the Persian Gulf, the International Energy Agency said in May. The agency called it the greatest energy challenge in history.
This week, the commodities analytics firm Kpler said the U.S. naval operation targeting Iranian crude exports had successfully forced production cuts, with Iran now loading fewer than 300,000 barrels a day, down from an average of 2 million barrels a day before the blockade began.
The energy shock is reverberating around the world. Brent crude, the international standard, exceeded $138 per barrel in April, the highest since 2022, and European natural gas hit its highest prices for three years.
The IEA's policy tracker shows at least 55 governments have enacted measures to offset rising energy costs: Botswana is scaling back travel by public officials, Laos shortened school weeks from five to three days, and Suriname is running public campaigns urging less fuel consumption.
At the same time, 91 countries are subsidizing consumers with national funds: Albania cut fuel levies, China capped domestic refined oil, and Mozambique is subsidizing public transport.
At least 24 nations are making lasting changes to their energy systems: Croatia is paying households for renewable energy installations, Kenya waived duties on electric car imports, and São Tomé and Príncipe is installing LED street lights.
After the Middle East, Asia has suffered the most from the Gulf supply disruptions. Taiwan, Japan and South Korea are particularly vulnerable, said Cheng-yu Wu, a policy analyst at the Institute for National Defense and Security Research in Taipei.
The three island economies have no land-based supply and are "chronically reliant on maritime energy corridors" to power their advanced tech industries, Wu told Newsweek.
Operations: Extensive Damage, Expensive Bills
U.S. and Israeli forces have launched at least 3,145 attacks in Iran and 110 have been intercepted, according to Armed Conflict Location & Event Data, a war tracking group. Iran has launched 1,726 retaliatory strikes and 878, or a little over half, have been intercepted as of June 2.
The Iranian capital of Tehran was by far the most targeted location of the war, ACLED told Newsweek. Conflict monitors define strikes as a single recorded event that can involve dozens or hundreds of missiles and drones.
The opening days of the war saw the most intensive U.S. bombardment as well as more use of expensive, long-range American missiles to gain air superiority. The Pentagon estimated that it spent $11.3 billion in the first six days of war, and the White House soon requested $200 billion in supplemental funding to replenish weapons stocks.
By the end of April, the Iran war had used up more Tomahawk missiles than any U.S. military campaign in modern history. More than 1,000 were fired, defense analysts Mark Cancian and Chris Park said in a report for the Center for Strategic and International Studies. The cruise missile was first introduced in the 1980s for U.S. Navy destroyers and attack submarines.
Iran’s military took heavy losses but still fired more than 2,000 drones and 500 ballistic missiles in the first week. U.S. interceptors, especially THAAD and Patriot missiles, contributed to the higher costs earlier on, before Iranian launch rates dropped by up to 90 percent.
Ahead of the ceasefire on April 8, reports citing U.S. intelligence assessments said Iran still retained half its missile launchers and drone fleet. President Donald Trump said on Friday that Tehran still had “maybe 21-22 percent of their missiles.”
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Number of Tomahawks used in past U.S. military campaigns
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On May 12, the Pentagon’s acting comptroller, Jules Hurst III, told the House Appropriations Committee that the Iran war cost $29 billion, up $4 billion from an earlier estimate. The amount included unspecified munition and equipment replacement costs, but not base repairs.
A report published on May 13 by the Congressional Research Service listed 42 aircraft lost or damaged during the conflict, including two dozen MQ-9 Reaper drones, four F-15E Strike Eagle jets, one E-3 Sentry airborne early warning and control plane, and six KC-135 Stratotanker aerial refuelling aircraft, which the U.S. no longer makes and is in the process of phasing out.
Tomahawk missiles have a unit cost of $2.6 million and are among the slowest munition to replace, often taking years from order to delivery, according to CSIS.
“There is great concern about munitions stockpiles and the Tomahawk is one of those of greatest concern. The United States has used about 30 percent of the prewar stockpile and it will take four years to get back to the prewar level,” Cancian told Newsweek.
“There are enough Tomahawks to continue a conflict with Iran should that start up again. However, the concern is with a war with China in the Western Pacific where the Navy relies on the Tomahawk’s long range to stay outside of the China’s defensive zone,” he said, noting the missile’s 1,000-mile reach.
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Estimated U.S. government spending in modern U.S. wars
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On April 21, the Pentagon revealed a $1.5 trillion budget request for the fiscal year 2027, a 42 percent increase from current levels. Hurst said over half the total budget-the largest in history-was earmarked for new munitions, planes, tanks and ships.
Linda Bilmes, a professor of public finance at the Havard Kennedy School, told the graduate school’s website in April that expenditure in the medium and long term, such as repairs to the 11 U.S. bases struck by Iran and care for war veterans, likely would see the cost of the Iran war rise to $1 trillion.
In the meantime, a second war rages on in the Middle East between Israel and Iran-funded Hezbollah in Lebanon.
Israel has launched 3,400 strikes in Lebanon as of June 4 and Hezbollah has responded with 1,634 attacks of its own, according to data compiled by the Institute for the Study of War and the American Enterprise Institute’s Critical Threats Project.
Casualties: The Real Cost of War
By the second week of the war, the U.N. Refugee Agency said the fighting had displaced 1 million households or up to 3.2 million people in Iran. Three months later, that figure, which the U.N. said was provided by Iranian authorities, remains the best estimate.
Ayatollah Ali Khamenei, Iran’s then supreme leader, was one of the first casualties of the war. In mid-March, Iranian security chief Ali Larijani was killed, adding to the dozens of senior political and defense officials assassinated during the war.
Trump has said he would be “honored” to meet Khamenei’s son and successor, Mojtaba Khamenei, if they agree on peace terms.
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Military strikes by the U.S., Israel, Iran and Iranian proxy groups since Feb. 28
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Iranian health authorities said at least 3,468 people have been killed in the U.S.-Israel attacks and a further 26,500 wounded. A pre-ceasefire estimate by the U.S.-based Human Rights Activists News Agency put the number at 3,636 people, nearly half of whom were civilians.
The Israeli military said in March that it had killed over 6,000 members of Iran’s Revolutionary Guard.
February 28, the first day of the war, was among the deadliest in the conflict. It included a strike on a girls’ school in Minab which local authorities said killed 156 civilians including 120 schoolchildren. Open-source analysis by Bellingcat and others said Tomahawk missiles were likely involved. The Pentagon has yet to announce the result of its own assessment.
The U.S. has not sent troops into Iran but it has suffered hundreds of casualties and at least 13 deaths, according to official disclosures. Six American service members were killed at Kuwait's Shuaiba port on March 1; one died on March 8 from wounds sustained in an attack on Saudi Arabia's Prince Sultan Air Base on March 1; and six perished in a KC-135 tanker that crashed in western Iraq on March 12.
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Military strikes and assessed Israeli advances in southern Lebanon since March 2, 2026
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There have been 50 deaths and 8,923 injuries in Israel in the Iran war, according to the Institute for National Security Studies in Tel Aviv. It was unclear how many soldiers were among the casualties.
In Israel’s military operation against Hezbollah, 30 people have been killed including 26 soldiers as of June 1, INSS said.
The Lebanese Health Ministry said 3,516 people have died since fighting restarted on March 2. The Israeli army said around 2,000 members of Hezbollah have been killed.
Israeli military strikes on April 8 marked the deadliest day in the conflict so far, killing between 250-357 people across Lebanon in one day.
The Iran war has spread to at least 16 countries and territories, with Iranian strikes either targeting or hitting Azerbaijan, Bahrain, Cyprus, Diego Garcia, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, Turkey, UAE and the West Bank.
Close to 200 citizens of non-belligerent nations have been killed.
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This story was originally published June 7, 2026 at 4:00 AM.