What is the highest states involved in state-based conflicts recorded in United States?

The highest recorded value was 1 in 1950.

What is the lowest states involved in state-based conflicts recorded in United States?

The lowest recorded value was 0 in 1946.

How does United States rank for states involved in state-based conflicts?

United States ranks 36th out of 194 countries with data for 2025.

Is states involved in state-based conflicts rising or falling in United States?

Over the last ten years it is down 100.0%. The long-run trend across the full record is volatile.

Where does this United States data come from?

The figures come from Uppsala Conflict Data Program and Peace Research Institute Oslo (2026) – processed by Our World in Data, published as part of States involved in state-based conflicts. Statizoid updates them automatically from the source API.

States involved in state-based conflicts in United States

Name: States involved in state-based conflicts in United States
Creator: Uppsala Conflict Data Program and Peace Research Institute Oslo (2026) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

United States: States involved in state-based conflicts was 0 in 2025. ◆ Volatile

Latest (2025)

World rank

36th

of 194 countries

All-time high

in 1950

All-time low

in 1946

Years of data

1946–2025

States involved in state-based conflicts in United States, 1946–2025

Source: Uppsala Conflict Data Program and Peace Research Institute Oslo (2026) – processed by Our World in Data.

Analysis

In 2025, states involved in state-based conflicts in United States stood at 0. That is the lowest value across all 80 years on record.

Compared with earlier readings it is down 100.0% over ten years.

Over the whole period, states involved in state-based conflicts in United States peaked at 1 in 1950 and was at its lowest, 0, in 1946.

That places United States 36th out of 194 countries with data for 2025, putting it in the top quarter.

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

Averages by decade

Decade	Average	Highest	Years
1940s	0	0	4
1950s	0.6	1	10
1960s	0.9	1	10
1970s	0.4	1	10
1980s	0.3	1	10
1990s	0	0	10
2000s	0.9	1	10
2010s	0.9	1	10
2020s	0	0	6

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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)

All data for United States →

Frequently asked questions

What is states involved in state-based conflicts in United States?: States involved in state-based conflicts in United States was 0 in 2025, according to Uppsala Conflict Data Program and Peace Research Institute Oslo (2026) – processed by Our World in Data.
What is the highest states involved in state-based conflicts recorded in United States?: The highest recorded value was 1 in 1950.
What is the lowest states involved in state-based conflicts recorded in United States?: The lowest recorded value was 0 in 1946.
How does United States rank for states involved in state-based conflicts?: United States ranks 36th out of 194 countries with data for 2025.
Is states involved in state-based conflicts rising or falling in United States?: Over the last ten years it is down 100.0%. The long-run trend across the full record is volatile.
Where does this United States data come from?: The figures come from Uppsala Conflict Data Program and Peace Research Institute Oslo (2026) – processed by Our World in Data, published as part of States involved in state-based conflicts. Statizoid updates them automatically from the source API.

Download this data

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About this data

Indicator: States involved in state-based conflicts
Source: Uppsala Conflict Data Program and Peace Research Institute Oslo (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 194 places, 12,406 data points, 1946–2025
Last refreshed: 07 August 2026

State was a primary participant in at least one interstate, intrastate, or extrasystemic conflict that year.