This is a list of countries by oil production, as compiled from the U.S. Energy Information Administration database for calendar year 2019, tabulating all countries on a comparable best-estimate basis. Compared with shorter-term data, the full-year figures are less prone to distortion from periodic maintenance shutdowns and other seasonal cycles. The World's Top Oil Producers of 2019 1. United States. The United States is the top oil-producing country in the world, 2. Saudi Arabia. The Kingdom of Saudi Arabia contributes 12.42 million b/d, 3. Russia. While Russia has fallen in the ranks, it remains one of the world's top oil This is a list of countries by proven oil reserves.Proven reserves are those quantities of petroleum which, by analysis of geological and engineering data, can be estimated, with a high degree of confidence, to be commercially recoverable from a given date forward from known reservoirs and under current economic conditions.