The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. April 1, 2013 Study: Cost of Afghan-Iraq Wars Grows to $4-$6 Trillion -------------------------------------------------------- A new tally puts the combined cost of the Iraq and Afghanistan wars at between $4 to $6 trillion — the most expensive conflict in U.S. history. The figure from Harvard University's Linda Bilmes updates a previous study estimating a cost of $3 trillion. The study concludes the bulk of the wars' cost has yet to be paid off, meaning their legacy "will dominate future federal budgets for decades to come." .