[ad_1] The pockets of oil trapped between Earth’s strata are finite, at least on a human time scale. It takes millennia of immense pressure and heat to transform ancient remains into fossil fuels. Economists and geologists are still debating when, whether, and how we’ll run out—the answer is a moving target. In the meantime, here’s our best guess as to how much of Earth’s milkshake we’ve got left to drink. The planet's top producers: Venezuela: 301 billion barrels Saudi Arabia: 266 billion barrels Canada: 170 billion barrels Iran: 158 billion barrels Iraq: 143 billion barrels Though the U.S. became the top oil producer in 2018, our proven reserves didn’t crack the top five. The United States of Oil Proven reserves: 35.2 billion barrels Oil companies measure reserves based on how likely they are to go get them. Proven reserves are those they already have the tech and infrastructure to extract. Though the rate at which ...