Answer: United States
Notes: The United States ranked as the world's largest crude oil producer in 2023. U.S. production reached approximately 20.95 million barrels per day in 2023. The development of shale oil using hydraulic fracturing and horizontal drilling enabled this production growth. Major producing regions include Texas and North Dakota. The United States surpassed both Saudi Arabia and Russia in crude oil output by 2018 and has maintained this position.
