Core Viewpoint - The closure of the Strait of Hormuz would significantly impact global oil supply, with major oil-producing countries unable to export oil after approximately 25 days of continuous production due to storage limitations [2]. Group 1: Importance of the Strait of Hormuz - The Strait of Hormuz is a critical global chokepoint, with about 20% of the world's oil transported through it, including nearly all of Qatar's liquefied natural gas exports, which account for approximately 20% of global supply [2]. - Following military actions by the US and Israel against Iran, international oil prices surged, with light crude oil futures rising by 12.4% to $75.33 per barrel and Brent crude futures increasing by 13% to $82.37 per barrel [3]. Group 2: Historical Context of Closure Threats - Historically, the Strait of Hormuz has never been completely and permanently closed, but threats to do so have consistently influenced international oil prices and the global economy [5]. - During the Iran-Iraq War (1980-1988), threats to close the strait led to oil prices rising from over $30 to above $45 per barrel [5]. - In 2018, tensions following the US withdrawal from the Iran nuclear deal resulted in increased oil prices due to threats from Iran to disrupt oil transport through the strait [6]. Group 3: Feasibility of a Closure - Analysts suggest that while Iran has threatened to close the Strait of Hormuz, it is unlikely to do so permanently due to the economic repercussions on its own oil exports, which also rely on this route [9]. - Military experts indicate that while Iran could attempt to lay mines in the strait, the complexity and potential for military retaliation make a long-term closure challenging [9]. - The international community's reliance on the strait for energy supplies means that a prolonged closure could have severe economic impacts, such as a potential 3% reduction in Japan's GDP if the strait were to be blocked [9].

Group 1: Strategic Importance of the Strait of Hormuz - The Strait of Hormuz is a critical chokepoint for global energy trade, with approximately 20.3 million barrels per day passing through, accounting for about 20% of global oil consumption and 27% of maritime oil trade[3] - In 2024, global oil and liquid fuel consumption is projected to be around 102.7 million barrels per day, with 75.5 million barrels per day transported by sea, representing 74% of total consumption[3] - The Strait also plays a significant role in natural gas trade, with LNG trade through the Strait expected to account for about 20% of global LNG trade in 2024, equating to approximately 9% of global natural gas trade[3] Group 2: Impact of Potential Blockade - A blockade of the Strait would primarily affect oil exports from Saudi Arabia (5.5 million barrels/day), Iraq (3.2 million barrels/day), UAE (1.9 million barrels/day), Iran (1.4 million barrels/day), and Kuwait (1.3 million barrels/day)[4] - Approximately 84% of the oil trade through the Strait is directed towards Asia, with China importing 4.8 million barrels/day (24% of Strait trade, 42% of China's imports), India 1.9 million barrels/day (9% of Strait trade, 40% of India's imports), and South Korea 1.7 million barrels/day (9% of Strait trade, 63% of South Korea's imports)[4] - If the Strait were to be blocked, Saudi Arabia and the UAE could potentially replace about 2.6 million barrels/day through pipelines[4] Group 3: Historical Context of Blockades - Historically, Iran has threatened to block the Strait multiple times, but these threats have not materialized due to external pressures and Iran's reliance on oil revenue[5] - The closest instance of a blockade occurred during the Iran-Iraq War (1980-1988), where oil tanker attacks did not lead to significant price fluctuations[5] - Since the 21st century, threats to block the Strait have not resulted in drastic oil price changes, indicating a pattern of limited market reaction to such threats[5] Group 4: Inflation Impact from Oil Price Increases - A 10% increase in international oil prices could raise China's CPI by approximately 0.15-0.3 percentage points and PPI by about 0.35-0.7 percentage points[6] - For the United States, a similar 10% rise in oil prices may increase CPI by about 0.25-0.4 percentage points, with gasoline prices rising approximately 6%[6]