Even with the share of renewables in electricity production rising continuously over the past years, oil remains the world's most important energy source when factoring in transport and heating. As Statista's Florian Zandt reports, according to an analysis by the International Energy Agency (IEA), 29 percent of the world's energy supply in 2020 came from oil. As Zandt shows in the below, based on the Energy Institute Statistical Review of World Energy 2023, two countries were particularly heavy oil consumers…
