How Many People Die in Wars Every Year? What the Data Shows

Picture a researcher at a desk in Uppsala, Sweden, late on a winter afternoon. On one screen is a news report from a remote province, in a language she reads with the help of a dictionary. On another is a local human rights bulletin describing the same clash with a different number of dead. On a third is a spreadsheet with tens of thousands of rows, each one a single violent event, each carrying a best estimate, a low estimate and a high estimate.

This is how the world counts war. Not with certainty, but with patient, painstaking cross-checking, one event at a time. The team she belongs to, the Uppsala Conflict Data Program, has been doing it for decades. Their numbers are the closest thing we have to an honest answer to a hard question: how many people die in wars every year?

The headline number

According to the Uppsala Conflict Data Program (UCDP), organised violence killed around 237,000 people in 2022. That was the highest annual total since 1994, the year of the genocide in Rwanda. Most of those deaths came from two wars: the conflict in Ethiopia's Tigray region and the Russian invasion of Ukraine.

Time period	Deaths from organised violence, 2022 (approx.)
Per year	237,000
Per month	19,800
Per week	4,600
Per day	650
Per hour	27

In the years since, UCDP has continued to record well over 100,000 deaths a year from organised violence, with the wars in Ukraine, Sudan, Gaza and Myanmar among the largest contributors, and the number of active armed conflicts at or near the highest level since the Second World War.

Set against roughly 62 million deaths a year from all causes, which you can watch in real time on our live death counter, direct deaths from war in a typical recent year account for somewhere around 0.2 to 0.4% of global mortality. That is small as a share and enormous as a human toll.

What counts as a war death

War deaths are among the hardest of all deaths to measure, and the first thing to understand is what is being counted. UCDP divides organised violence into three types.

Type	What it means	Example
State-based conflict	Fighting where at least one side is a government	Wars between states, civil wars
Non-state conflict	Fighting between organised armed groups, no government involved	Rival militias or cartels
One-sided violence	Deliberate killing of unarmed civilians by an organised group or government	Massacres

UCDP counts people killed directly in this violence: soldiers, fighters and civilians killed in combat, shelling, bombing and massacres. It does not count the people who die later from hunger, disease or lack of medical care because a war destroyed their food supply, water system or hospital. Those are known as indirect deaths, and they are often far larger.

The hidden toll: indirect deaths

In many modern wars, more people die from the conditions war creates than from bullets and bombs.

Indirect cause	How war produces it
Hunger and famine	Blockades, destroyed farms and markets, displacement
Infectious disease	Broken water and sewage systems, crowded camps
Untreated illness	Hospitals destroyed, doctors flee, medicines run out
Maternal and newborn deaths	Births without skilled care
Displacement	Exposure, exhaustion and poverty in flight

The Geneva Declaration on Armed Violence and Development has suggested that, across many recent conflicts, there may be several indirect deaths for every direct one, although the ratio varies hugely from war to war. Some of the deadliest crises of recent decades, including the wars in the Democratic Republic of Congo around the turn of the century, are believed to have killed far more people through hunger and disease than through violence.

This is why war is closely linked to other causes of death on this site. Conflict is the leading driver of famine today, as we explain in how many people die from hunger every day and on our hunger page. It also drives outbreaks of cholera and other water-related diseases, and it pushes up child mortality and maternal mortality wherever health systems collapse.

The long-term trend

Over the long run, the share of people dying in war has fallen dramatically since the middle of the 20th century. But the last decade has reversed some of that progress.

Period	Picture of battle deaths
1939 to 1945	Second World War: tens of millions of deaths, the deadliest period in recorded history
1950s to 1980s	Korea, Vietnam, Iran and Iraq, Afghanistan: often hundreds of thousands a year
1990s	Lower battle deaths, but genocides in Rwanda and Bosnia
2000s	Among the least violent decades since 1945
2010s	Rise driven by the wars in Syria, Iraq, Afghanistan and Yemen
2020s	Sharp rise: Ethiopia, Ukraine, Sudan, Gaza, Myanmar

Researchers often measure war deaths per 100,000 people in the world, to account for population growth. On that measure, the decades after 1945 saw a long decline, sometimes called "the long peace" between the great powers. Whether that decline is a lasting change or a lull has been debated by historians and political scientists for years, and the recent rise in conflict has given the sceptics new ammunition.

For the very worst conflicts on record, including the world wars, see the deadliest wars in history.

Who dies in war

Modern wars are often described as killing mostly civilians. The real picture depends heavily on the conflict.

Group	How they are affected
Young men	Make up most combatant deaths in nearly every war
Civilians in cities	Shelling, air strikes and sieges
Children	Killed directly, and die in large numbers from indirect effects
Older people	Often unable to flee, vulnerable when health care collapses
Displaced people	Exposed to hunger, disease and violence on the move

Direct combat deaths fall mainly on men aged roughly 15 to 29 and 30 to 49. Indirect deaths, by contrast, fall heavily on children under five, who are the most vulnerable to hunger and infectious disease. You can see the global child toll on our under 5 age group page.

Where wars are being fought

In recent years, organised violence has been concentrated in a handful of regions.

Region	Main recent conflicts (UCDP)
Europe	Russia and Ukraine
Africa	Ethiopia, Sudan, Sahel region, DR Congo, Somalia, Nigeria
Middle East	Israel and Gaza, Syria, Yemen
Asia	Myanmar, Afghanistan
Americas	Mexico (cartel violence)

Africa has the largest number of active conflicts, and several of them overlap with the world's worst food crises. You can explore overall mortality in the most affected places on our Africa region page, and on country pages such as Sudan, Ukraine and Myanmar.

War compared with other violent deaths

War is not the biggest source of violent death in the world. Homicide, mostly outside any war, kills more people in most years.

Violent cause	Approx. deaths per year
Homicide	Around 450,000 (UNODC)
Organised violence (2022, a high year)	Around 237,000
Suicide	Around 700,000
Road injuries (for comparison)	Around 1,190,000

The numbers here come from different organisations with different methods, so they are best compared as orders of magnitude. Even so, the pattern is clear: in most years, more people are murdered in peacetime than are killed in all the world's wars combined. We look at those deaths in how many people are murdered every day, and at firearm deaths specifically in how many people die from guns every day. Suicide claims even more lives, as we cover on our suicide page.

The deaths that continue after the fighting stops

Wars do not end cleanly. Long after a ceasefire, they keep killing through the weapons left behind. Landmines, cluster munitions and unexploded bombs lie in fields, roadsides and villages for decades.

Explosive remnants of war	Detail
Casualties recorded in 2023 (Landmine Monitor)	Around 5,750 people killed or injured
Of whom killed	Around 2,000
Share of casualties who were civilians	The large majority, around 84%
Children among civilian casualties	Over a third
Countries with the most casualties recently	Myanmar, Syria, Ukraine, Afghanistan

The International Campaign to Ban Landmines publishes these figures every year, and warns that the true numbers are higher, because many casualties in remote areas are never recorded. Children are especially at risk: they pick up objects that look like toys or scrap metal, and their smaller bodies are less likely to survive the blast.

Clearing contaminated land is slow, dangerous and expensive work. Parts of Europe still find unexploded bombs from the Second World War, and countries such as Laos, Cambodia and Vietnam are still clearing munitions from wars that ended half a century ago. A war's death toll is never really final.

Why the counts disagree

You will often see very different numbers for the same war. That is not usually a sign that someone is lying. It reflects genuine difficulties.

Problem	Effect on counts
Access	Journalists and researchers cannot reach front lines
Propaganda	Each side may inflate enemy losses and hide its own
Definitions	Some counts include indirect deaths, others do not
Time lag	Bodies are found and identified months or years later
Methods	Event counts, surveys and excess-death models give different answers

UCDP's approach is deliberately conservative: it counts only deaths it can attribute to a specific event, and publishes low, best and high estimates. Survey-based studies and excess-mortality models often produce much higher figures. Both approaches are useful, as long as readers know which they are looking at.

While you were reading this

You have spent about 12 minutes with this article. At the 2022 rate, around 8 people have been killed directly in organised violence somewhere in the world in that time. More will have died from the hunger, disease and broken hospitals those wars leave behind.

Across all causes, roughly 1,400 people died worldwide in the same 12 minutes. You can watch that total on our live death counter, or follow today's running figures on our deaths today page.

Behind every number in this article is a person, and a family, that a spreadsheet can only begin to describe.

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Data sources: Uppsala Conflict Data Program (UCDP), Department of Peace and Conflict Research, Uppsala University, including annual reviews of organised violence; Peace Research Institute Oslo (PRIO) battle deaths data; Geneva Declaration on Armed Violence and Development, Global Burden of Armed Violence; UNODC Global Study on Homicide; World Health Organization. Figures are rounded and approximate. War death counts are contested and vary widely by method; UCDP figures are conservative counts of direct deaths only. This article is non-partisan and for informational purposes only.