States involved in interstate conflicts in United States
United States: States involved in interstate conflicts was 1 in 2014. ◆ Volatile
Latest (2014)
1
Change on year
unchanged
World rank
1st
of 193 countries
All-time high
1
in 1816
All-time low
0
in 1817
Years of data
199
1816–2014
States involved in interstate conflicts in United States, 1816–2014
Source: Gibler and Miller – Militarized Interstate Events (2023) – with major processing by Our World in Data.
Analysis
United States recorded 1 for states involved in interstate conflicts in 2014. That is the highest value across all 199 years on record.
The figure is unchanged over ten years.
Over the whole period, states involved in interstate conflicts in United States peaked at 1 in 1816 and was at its lowest, 0, in 1817.
United States ranks 1st of 193 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
States involved in interstate conflicts in United States, year by year
| Year | Value | Change |
|---|---|---|
| 1816 | 1 | — |
| 1817 | 0 | -100.0% |
| 1818 | 1 | — |
| 1819 | 0 | -100.0% |
| 1820 | 0 | — |
| 1821 | 0 | — |
| 1822 | 0 | — |
| 1823 | 0 | — |
| 1824 | 0 | — |
| 1825 | 0 | — |
| 1826 | 0 | — |
| 1827 | 0 | — |
| 1828 | 0 | — |
| 1829 | 0 | — |
| 1830 | 0 | — |
| 1831 | 0 | — |
| 1832 | 0 | — |
| 1833 | 0 | — |
| 1834 | 0 | — |
| 1835 | 1 | — |
| 1836 | 1 | +0.0% |
| 1837 | 1 | +0.0% |
| 1838 | 1 | +0.0% |
| 1839 | 1 | +0.0% |
| 1840 | 0 | -100.0% |
| 1841 | 0 | — |
| 1842 | 1 | — |
| 1843 | 1 | +0.0% |
| 1844 | 1 | +0.0% |
| 1845 | 1 | +0.0% |
| 1846 | 1 | +0.0% |
| 1847 | 1 | +0.0% |
| 1848 | 1 | +0.0% |
| 1849 | 0 | -100.0% |
| 1850 | 1 | — |
| 1851 | 0 | -100.0% |
| 1852 | 1 | — |
| 1853 | 1 | +0.0% |
| 1854 | 1 | +0.0% |
| 1855 | 1 | +0.0% |
| 1856 | 1 | +0.0% |
| 1857 | 0 | -100.0% |
| 1858 | 1 | — |
| 1859 | 0 | -100.0% |
| 1860 | 1 | — |
| 1861 | 1 | +0.0% |
| 1862 | 0 | -100.0% |
| 1863 | 1 | — |
| 1864 | 1 | +0.0% |
| 1865 | 1 | +0.0% |
| 1866 | 1 | +0.0% |
| 1867 | 0 | -100.0% |
| 1868 | 0 | — |
| 1869 | 1 | — |
| 1870 | 1 | +0.0% |
| 1871 | 0 | -100.0% |
| 1872 | 0 | — |
| 1873 | 1 | — |
| 1874 | 0 | -100.0% |
| 1875 | 1 | — |
| 1876 | 1 | +0.0% |
| 1877 | 1 | +0.0% |
| 1878 | 1 | +0.0% |
| 1879 | 0 | -100.0% |
| 1880 | 1 | — |
| 1881 | 1 | +0.0% |
| 1882 | 1 | +0.0% |
| 1883 | 0 | -100.0% |
| 1884 | 0 | — |
| 1885 | 1 | — |
| 1886 | 0 | -100.0% |
| 1887 | 0 | — |
| 1888 | 1 | — |
| 1889 | 1 | +0.0% |
| 1890 | 0 | -100.0% |
| 1891 | 1 | — |
| 1892 | 0 | -100.0% |
| 1893 | 1 | — |
| 1894 | 0 | -100.0% |
| 1895 | 1 | — |
| 1896 | 0 | -100.0% |
| 1897 | 0 | — |
| 1898 | 1 | — |
| 1899 | 0 | -100.0% |
| 1900 | 1 | — |
| 1901 | 1 | +0.0% |
| 1902 | 1 | +0.0% |
| 1903 | 1 | +0.0% |
| 1904 | 1 | +0.0% |
| 1905 | 1 | +0.0% |
| 1906 | 0 | -100.0% |
| 1907 | 0 | — |
| 1908 | 0 | — |
| 1909 | 1 | — |
| 1910 | 1 | +0.0% |
| 1911 | 1 | +0.0% |
| 1912 | 0 | -100.0% |
| 1913 | 1 | — |
| 1914 | 1 | +0.0% |
| 1915 | 1 | +0.0% |
| 1916 | 1 | +0.0% |
| 1917 | 1 | +0.0% |
| 1918 | 1 | +0.0% |
| 1919 | 1 | +0.0% |
| 1920 | 1 | +0.0% |
| 1921 | 1 | +0.0% |
| 1922 | 0 | -100.0% |
| 1923 | 0 | — |
| 1924 | 0 | — |
| 1925 | 0 | — |
| 1926 | 1 | — |
| 1927 | 1 | +0.0% |
| 1928 | 0 | -100.0% |
| 1929 | 1 | — |
| 1930 | 0 | -100.0% |
| 1931 | 0 | — |
| 1932 | 1 | — |
| 1933 | 1 | +0.0% |
| 1934 | 0 | -100.0% |
| 1935 | 0 | — |
| 1936 | 0 | — |
| 1937 | 1 | — |
| 1938 | 0 | -100.0% |
| 1939 | 0 | — |
| 1940 | 1 | — |
| 1941 | 1 | +0.0% |
| 1942 | 1 | +0.0% |
| 1943 | 1 | +0.0% |
| 1944 | 1 | +0.0% |
| 1945 | 1 | +0.0% |
| 1946 | 1 | +0.0% |
| 1947 | 1 | +0.0% |
| 1948 | 1 | +0.0% |
| 1949 | 1 | +0.0% |
| 1950 | 1 | +0.0% |
| 1951 | 1 | +0.0% |
| 1952 | 1 | +0.0% |
| 1953 | 1 | +0.0% |
| 1954 | 1 | +0.0% |
| 1955 | 1 | +0.0% |
| 1956 | 1 | +0.0% |
| 1957 | 1 | +0.0% |
| 1958 | 1 | +0.0% |
| 1959 | 1 | +0.0% |
| 1960 | 1 | +0.0% |
| 1961 | 1 | +0.0% |
| 1962 | 1 | +0.0% |
| 1963 | 1 | +0.0% |
| 1964 | 1 | +0.0% |
| 1965 | 1 | +0.0% |
| 1966 | 1 | +0.0% |
| 1967 | 1 | +0.0% |
| 1968 | 1 | +0.0% |
| 1969 | 1 | +0.0% |
| 1970 | 1 | +0.0% |
| 1971 | 1 | +0.0% |
| 1972 | 1 | +0.0% |
| 1973 | 1 | +0.0% |
| 1974 | 1 | +0.0% |
| 1975 | 1 | +0.0% |
| 1976 | 1 | +0.0% |
| 1977 | 1 | +0.0% |
| 1978 | 1 | +0.0% |
| 1979 | 1 | +0.0% |
| 1980 | 1 | +0.0% |
| 1981 | 1 | +0.0% |
| 1982 | 1 | +0.0% |
| 1983 | 1 | +0.0% |
| 1984 | 1 | +0.0% |
| 1985 | 1 | +0.0% |
| 1986 | 1 | +0.0% |
| 1987 | 1 | +0.0% |
| 1988 | 1 | +0.0% |
| 1989 | 1 | +0.0% |
| 1990 | 1 | +0.0% |
| 1991 | 1 | +0.0% |
| 1992 | 1 | +0.0% |
| 1993 | 1 | +0.0% |
| 1994 | 1 | +0.0% |
| 1995 | 1 | +0.0% |
| 1996 | 1 | +0.0% |
| 1997 | 1 | +0.0% |
| 1998 | 1 | +0.0% |
| 1999 | 1 | +0.0% |
| 2000 | 1 | +0.0% |
| 2001 | 1 | +0.0% |
| 2002 | 1 | +0.0% |
| 2003 | 1 | +0.0% |
| 2004 | 1 | +0.0% |
| 2005 | 1 | +0.0% |
| 2006 | 1 | +0.0% |
| 2007 | 1 | +0.0% |
| 2008 | 1 | +0.0% |
| 2009 | 1 | +0.0% |
| 2010 | 1 | +0.0% |
| 2011 | 1 | +0.0% |
| 2012 | 1 | +0.0% |
| 2013 | 1 | +0.0% |
| 2014 | 1 | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1810s | 0.5 | 0 | 1 | 4 |
| 1820s | 0 | 0 | 0 | 10 |
| 1830s | 0.5 | 0 | 1 | 10 |
| 1840s | 0.7 | 0 | 1 | 10 |
| 1850s | 0.7 | 0 | 1 | 10 |
| 1860s | 0.7 | 0 | 1 | 10 |
| 1870s | 0.6 | 0 | 1 | 10 |
| 1880s | 0.6 | 0 | 1 | 10 |
| 1890s | 0.4 | 0 | 1 | 10 |
| 1900s | 0.7 | 0 | 1 | 10 |
| 1910s | 0.9 | 0 | 1 | 10 |
| 1920s | 0.5 | 0 | 1 | 10 |
| 1930s | 0.3 | 0 | 1 | 10 |
| 1940s | 1 | 1 | 1 | 10 |
| 1950s | 1 | 1 | 1 | 10 |
| 1960s | 1 | 1 | 1 | 10 |
| 1970s | 1 | 1 | 1 | 10 |
| 1980s | 1 | 1 | 1 | 10 |
| 1990s | 1 | 1 | 1 | 10 |
| 2000s | 1 | 1 | 1 | 10 |
| 2010s | 1 | 1 | 1 | 5 |
Countries ranked near United States
- 1 Afghanistan 1 compare
- 1 Armenia 1 compare
- 1 Azerbaijan 1 compare
- 1 Bangladesh 1 compare
- 1 Cambodia 1 compare
- 1 Canada 1 compare
- 1 China 1 compare
- 1 Democratic Republic of Congo 1 compare
- 1 Denmark 1 compare
- 1 Egypt 1 compare
- 1 Estonia 1 compare
- 1 Finland 1 compare
- 1 France 1 compare
- 1 Georgia 1 compare
- 1 Germany 1 compare
- 1 Greece 1 compare
- 1 India 1 compare
- 1 Indonesia 1 compare
- 1 Iran 1 compare
- 1 Iraq 1 compare
- 1 Israel 1 compare
- 1 Japan 1 compare
- 1 Kyrgyzstan 1 compare
- 1 Lebanon 1 compare
- 1 Lithuania 1 compare
- 1 Malaysia 1 compare
- 1 Myanmar 1 compare
- 1 Netherlands 1 compare
- 1 North Korea 1 compare
- 1 Norway 1 compare
- 1 Pakistan 1 compare
- 1 Philippines 1 compare
- 1 Poland 1 compare
- 1 Portugal 1 compare
- 1 Russia 1 compare
- 1 Rwanda 1 compare
- 1 South Korea 1 compare
- 1 Spain 1 compare
- 1 Sudan 1 compare
- 1 Sweden 1 compare
- 1 Syria 1 compare
- 1 Taiwan 1 compare
- 1 Tajikistan 1 compare
- 1 Thailand 1 compare
- 1 Turkey 1 compare
- 1 Turkmenistan 1 compare
- 1 Ukraine 1 compare
- 1 United Kingdom 1 compare
- 1 Vietnam 1 compare
More social development data for United States
- Refugees under the mandate of the UNHCR by country or territory of 457,647 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 3,667 (2025)
- Political Rights Rating 2 (2025)
- Electoral democracy 1 (2025)
- Political rights rating fh, annual growth rate 0 % change on previous year (2025)
- Political rights rating fh, gaps filled 2 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0 units per person (2025)
- Refugees under the mandate of the UNHCR by country or territory of 3,667 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0.0013 units per person (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0 units per US$ of GDP (2025)
Frequently asked questions
- What is states involved in interstate conflicts in United States?
- States involved in interstate conflicts in United States was 1 in 2014, according to Gibler and Miller – Militarized Interstate Events (2023) – with major processing by Our World in Data.
- What is the highest states involved in interstate conflicts recorded in United States?
- The highest recorded value was 1 in 1816.
- What is the lowest states involved in interstate conflicts recorded in United States?
- The lowest recorded value was 0 in 1817.
- How does United States rank for states involved in interstate conflicts?
- United States ranks 1st out of 193 countries with data for 2014.
- Is states involved in interstate conflicts rising or falling in United States?
- Over the last ten years it is unchanged. The long-run trend across the full record is volatile.
- Where does this United States data come from?
- The figures come from Gibler and Miller – Militarized Interstate Events (2023) – with major processing by Our World in Data, published as part of States involved in interstate conflicts. Statizoid updates them automatically from the source API.
Download this data
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About this data
State participated in at least one conflict with another state where force was threatened, displayed, or used that year.