The SIPRI Military Expenditure Database contains consistent time series on the military spending of countries since 1949, split into datasets covering 1988–2015 and 1949–2015. Both datasets are available to download on this page.
SIPRI military expenditure data is based on open sources only.
Military expenditure data: 1988–2015
Military expenditure in local currency at current prices is presented according to both the financial year of each country and according to calendar year, calculated on the assumption that, where financial years do not correspond to calendar years, spending is distributed evenly through the year. Figures in constant (2014) and current US $, as a share of GDP and per capita are presented according to calendar year. Figures as a share of government expenditure are presented according to financial year.
Military expenditure data: 1949–2015
SIPRI has also recently released extended military expenditure data going back as far as 1949 for some countries, and to at least 1957 for a majority of countries that were independent at the time. This extended data is available to download as an excel file.
The availability of data varies considerably by country, but for a majority of countries that were independent at the time, data is available from at least the late 1950s. Estimates for regional military expenditure have been extended backwards depending on availability of data for countries in the region, but no estimates for total world military expenditure are available before 1988 due to the lack of data for the Soviet Union.
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