States involved in interstate conflicts in United States
United States: States involved in interstate conflicts was 1 in 2014. ◆ Volatile
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 189 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
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
- Political Rights Rating 2 (2025)
- Refugees under the mandate of the UNHCR by country or territory of asy 457,647 (2025)
- Refugees under the mandate of the UNHCR by country or territory of ori 3,667 (2025)
- Electoral democracy 1 (2025)
- Key features of democracy 0.735 (2025)
- Freedom of Expression Index 0.729 (2025)
- Freedom of Association Index 0.913 (2025)
- Electoral Democracy Index 0.735 (2025)
- Participatory Democracy Index 0.51 (2025)
- Liberal Democracy Index 0.571 (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 189 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
CSV · JSON — 199 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
State participated in at least one conflict with another state where force was threatened, displayed, or used that year.