Comparisons of U.S. and Foreign Military Spending: Data from Selected Public Sources

This report lists and compares military expenditures of the United States and foreign nations using two sources: the London-based International Institute for Strategic Studies’ (IISS) The Military Balance, and the U.S. State Department’s World Military Expenditures and Arms Transfers (WMEAT). Although the IISS and the U.S. State Department aim to provide figures that are as consistent and accurate as possible, cross-national comparisons of defense spending are inherently imperfect. Available sets of figures are useful, but often do not correspond with one another for a variety of reasons. This report provides two sets of figures from widely recognized sources in order to offer Congress a sample of the data published on this topic