Military spending as a share of GDP in United Kingdom of Great Britain and Northern Ireland

United Kingdom of Great Britain and Northern Ireland: Military spending as a share of GDP was 1.7% in 2019. ◆ Volatile

Latest (2019)
1.7%
Change on year
up 3.2%
World rank
62nd
of 172 countries
All-time high
29.0%
in 1944
All-time low
1.0%
in 1836
Years of data
204
1816–2019

Military spending as a share of GDP in United Kingdom of Great Britain and Northern Ireland, 1816–2019

0102030181619172019

Source: Barnum et al. - Global Military Spending Dataset (2025) – with minor processing by Our World in Data. Measured in % of GDP.

Analysis

The most recent figure for military spending as a share of gdp in United Kingdom of Great Britain and Northern Ireland is 1.7%, measured in 2019.

That represents a change of up 3.2% on the previous year and down 19.4% over ten years.

Over the whole period, military spending as a share of gdp in United Kingdom of Great Britain and Northern Ireland peaked at 29.0% in 1944 and was at its lowest, 1.0%, in 1836.

That places United Kingdom of Great Britain and Northern Ireland 62nd out of 172 countries with data for 2019, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Military spending as a share of GDP in United Kingdom of Great Britain and Northern Ireland, year by year

Annual values for Military spending as a share of GDP in United Kingdom of Great Britain and Northern Ireland, 1816 to 2019.
Year % of GDP Change
1816 2.2%
1817 1.8% -16.7%
1818 1.8% -2.7%
1819 1.6% -6.3%
1820 1.6% -3.5%
1821 1.6% -1.6%
1822 1.5% -6.4%
1823 1.5% +5.4%
1824 1.6% +2.2%
1825 1.6% -1.6%
1826 1.6% +0.3%
1827 1.5% -1.9%
1828 1.5% -3.6%
1829 1.5% -0.7%
1830 1.3% -8.3%
1831 1.4% +7.5%
1832 1.4% -3.8%
1833 1.3% -7.9%
1834 1.1% -11.4%
1835 1.1% -3.3%
1836 1.0% -9.2%
1837 1.1% +8.8%
1838 1.1% +0.1%
1839 1.1% +6.0%
1840 1.3% +14.0%
1841 1.4% +7.0%
1842 1.4% -2.0%
1843 1.5% +8.9%
1844 1.4% -3.3%
1845 1.4% -0.3%
1846 1.6% +8.4%
1847 1.4% -7.5%
1848 1.7% +17.8%
1849 1.5% -9.6%
1850 1.4% -10.3%
1851 1.4% -1.9%
1852 1.2% -13.2%
1853 1.1% -2.3%
1854 7.5% +555.1%
1855 3.4% -54.7%
1856 3.0% -12.8%
1857 1.8% -40.9%
1858 2.0% +12.7%
1859 2.2% +12.1%
1860 2.2% +1.2%
1861 2.0% -8.6%
1862 2.0% -0.8%
1863 1.9% -8.1%
1864 1.9% +3.7%
1865 1.4% -27.3%
1866 1.4% +1.3%
1867 1.5% +4.5%
1868 1.6% +6.1%
1869 1.4% -13.5%
1870 1.1% -20.9%
1871 1.0% -6.1%
1872 1.0% +1.1%
1873 1.1% +11.0%
1874 1.1% -4.9%
1875 1.2% +7.0%
1876 1.2% +4.1%
1877 1.2% -4.0%
1878 1.2% +7.7%
1879 1.3% +3.4%
1880 1.1% -16.3%
1881 1.0% -5.0%
1882 1.2% +16.1%
1883 1.2% -0.5%
1884 1.3% +9.0%
1885 1.4% +7.0%
1886 1.4% +3.0%
1887 1.3% -11.3%
1888 1.3% +0.1%
1889 1.3% +2.3%
1890 1.4% +7.4%
1891 1.3% -9.4%
1892 1.4% +7.4%
1893 1.3% -1.2%
1894 1.4% +5.3%
1895 1.6% +10.8%
1896 1.5% -0.8%
1897 1.6% +0.4%
1898 1.6% +1.0%
1899 1.8% +16.9%
1900 3.8% +109.3%
1901 3.6% -6.6%
1902 3.1% -15.0%
1903 2.5% -17.9%
1904 2.2% -11.4%
1905 2.0% -12.1%
1906 1.9% -4.0%
1907 1.7% -8.2%
1908 1.7% +1.5%
1909 1.8% +3.2%
1910 1.8% -0.3%
1911 1.9% +4.9%
1912 1.8% -6.3%
1913 1.9% +10.4%
1914 7.8% +302.1%
1915 21.8% +178.8%
1916 26.2% +19.9%
1917 28.4% +8.7%
1918 21.3% -25.0%
1919 3.1% -85.6%
1920 2.8% -10.2%
1921 2.8% +0.4%
1922 2.4% -13.7%
1923 2.1% -10.8%
1924 1.8% -14.9%
1925 1.8% -1.9%
1926 1.8% -1.0%
1927 1.6% -6.7%
1928 1.6% -4.1%
1929 1.5% -2.0%
1930 1.5% -1.2%
1931 1.5% -1.2%
1932 1.5% -2.5%
1933 1.4% -5.7%
1934 1.9% +35.1%
1935 2.1% +14.3%
1936 2.6% +20.5%
1937 3.1% +21.5%
1938 3.9% +25.5%
1939 21.2% +441.1%
1940 24.6% +15.8%
1941 25.4% +3.4%
1942 26.1% +2.8%
1943 27.9% +6.8%
1944 29.0% +3.8%
1945 28.7% -1.1%
1946 22.4% -21.9%
1947 10.5% -53.1%
1948 6.0% -43.1%
1949 5.8% -3.6%
1950 3.7% -36.0%
1951 4.2% +15.1%
1952 6.0% +42.2%
1953 5.9% -2.2%
1954 5.4% -8.3%
1955 4.9% -9.6%
1956 5.2% +6.8%
1957 4.9% -7.1%
1958 4.8% -1.2%
1959 4.1% -15.0%
1960 3.8% -6.6%
1961 4.0% +4.6%
1962 4.1% +1.8%
1963 3.9% -3.1%
1964 3.9% -0.8%
1965 3.7% -4.9%
1966 3.4% -7.3%
1967 3.5% +2.8%
1968 3.2% -8.4%
1969 2.9% -11.4%
1970 2.8% -1.7%
1971 3.0% +5.4%
1972 3.1% +2.8%
1973 2.9% -3.7%
1974 3.1% +4.7%
1975 2.9% -4.9%
1976 2.9% -1.2%
1977 2.8% -2.8%
1978 2.8% +0.4%
1979 3.2% +13.9%
1980 3.6% +12.6%
1981 3.4% -5.1%
1982 3.7% +6.5%
1983 3.6% -2.5%
1984 3.5% -2.5%
1985 3.4% -1.1%
1986 3.5% +1.3%
1987 3.3% -6.6%
1988 3.2% -2.3%
1989 3.0% -6.0%
1990 3.0% +0.5%
1991 3.0% +0.3%
1992 3.0% -2.3%
1993 2.8% -4.9%
1994 2.7% -4.7%
1995 2.4% -10.9%
1996 2.3% -4.5%
1997 2.3% +0.1%
1998 2.1% -5.6%
1999 2.1% -3.7%
2000 1.9% -6.5%
2001 1.9% -2.8%
2002 1.9% -1.0%
2003 2.2% +16.2%
2004 2.3% +5.3%
2005 2.2% -1.9%
2006 2.2% -0.2%
2007 2.3% +1.4%
2008 2.2% -4.9%
2009 2.1% -1.5%
2010 2.1% -0.1%
2011 2.0% -6.2%
2012 2.0% -1.1%
2013 1.9% -5.5%
2014 1.8% -5.4%
2015 1.7% -2.2%
2016 1.6% -6.4%
2017 1.6% +1.7%
2018 1.7% +1.3%
2019 1.7% +3.2%

Averages by decade

DecadeAverage LowestHighest Years
1810s 1.8% 1.6% 2.2% 4
1820s 1.5% 1.5% 1.6% 10
1830s 1.2% 1.0% 1.4% 10
1840s 1.5% 1.3% 1.7% 10
1850s 2.5% 1.1% 7.5% 10
1860s 1.7% 1.4% 2.2% 10
1870s 1.1% 1.0% 1.3% 10
1880s 1.2% 1.0% 1.4% 10
1890s 1.5% 1.3% 1.8% 10
1900s 2.4% 1.7% 3.8% 10
1910s 11.6% 1.8% 28.4% 10
1920s 2.0% 1.5% 2.8% 10
1930s 4.1% 1.4% 21.2% 10
1940s 20.6% 5.8% 29.0% 10
1950s 4.9% 3.7% 6.0% 10
1960s 3.6% 2.9% 4.1% 10
1970s 3.0% 2.8% 3.2% 10
1980s 3.4% 3.0% 3.7% 10
1990s 2.6% 2.1% 3.0% 10
2000s 2.1% 1.9% 2.3% 10
2010s 1.8% 1.6% 2.1% 10

Countries ranked near United Kingdom of Great Britain and Northern Ireland

  1. 59 Nepal 1.7% compare
  2. 60 Poland 1.7% compare
  3. 61 Guinea-Bissau 1.7% compare
  4. 63 Georgia 1.7% compare
  5. 64 Kenya 1.7% compare
  6. 65 Central African Republic 1.7% compare

See the full ranking of 172 places →

More economy & growth data for United Kingdom of Great Britain and Northern Ireland

All data for United Kingdom of Great Britain and Northern Ireland →

Frequently asked questions

What is military spending as a share of gdp in United Kingdom of Great Britain and Northern Ireland?
Military spending as a share of gdp in United Kingdom of Great Britain and Northern Ireland was 1.7% in 2019, according to Barnum et al. - Global Military Spending Dataset (2025) – with minor processing by Our World in Data.
What is the highest military spending as a share of gdp recorded in United Kingdom of Great Britain and Northern Ireland?
The highest recorded value was 29.0% in 1944.
What is the lowest military spending as a share of gdp recorded in United Kingdom of Great Britain and Northern Ireland?
The lowest recorded value was 1.0% in 1836.
How does United Kingdom of Great Britain and Northern Ireland rank for military spending as a share of gdp?
United Kingdom of Great Britain and Northern Ireland ranks 62nd out of 172 countries with data for 2019.
Is military spending as a share of gdp rising or falling in United Kingdom of Great Britain and Northern Ireland?
Over the last ten years it is down 19.4%. The long-run trend across the full record is volatile.
Where does this United Kingdom of Great Britain and Northern Ireland data come from?
The figures come from Barnum et al. - Global Military Spending Dataset (2025) – with minor processing by Our World in Data, published as part of Military spending as a share of GDP. Statizoid updates them automatically from the source API.

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Military spending as a share of GDP in United Kingdom of Great Britain and Northern Ireland. Statizoid, drawing on Barnum et al. - Global Military Spending Dataset (2025) – with minor processing by Our World in Data. Retrieved 05 September 2026, from https://economy.statizoid.com/stat/military-spending-as-a-share-of-gdp-gmsd/united-kingdom/

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About this data

Indicator
Military spending as a share of GDP
Unit
% of GDP
Source
Barnum et al. - Global Military Spending Dataset (2025) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
172 places, 14,793 data points, 1816–2019
Last refreshed

Military spending measured as a percentage of gross domestic product (GDP).