prisoner of war

Ancient times

For much of history, prisoners of war would often be slaughtered or enslaved. Early Roman gladiators could be prisoners of war, categorised according to their ethnic roots as Samnites, Thracians, and Gauls (Galli). Homer's Iliad describes Trojan and Greek soldiers offering rewards of wealth to opposing forces who have defeated them on the battlefield in exchange for mercy, but such offers were not always accepted.

Typically, victors made little distinction between enemy combatants and enemy civilians, although they were more likely to spare women and children. Sometimes the purpose of a battle, if not of a war, was to capture women, a practice known as raptio; the Rape of the Sabines involved, according to tradition, a large mass-abduction by the founders of Rome. Typically women had no rights, and were held legally as chattels.

In the fourth century AD, St Acacius of Amida, touched by the plight of Persian prisoners captured in a recent war with the Roman Empire, who were held in his town under appalling conditions and destined for a life of slavery, took the initiative in ransoming them by selling his church's precious gold and silver vessels and letting them return to their country. For this he was later canonised.

Middle Ages and Renaissance

According to legend, during Childeric's siege and blockade of Paris in 464 the nun Geneviève (later canonised as the city's patron saint) pleaded with the Frankish king for the welfare of prisoners of war and met with a favourable response. Later, Clovis I (r. 481–511) liberated captives after Genevieve urged him to do so.

King Henry V's English army killed many French prisoners of war at the Battle of Agincourt in 1415. This was done after a French raiding party returned to the main army after looting the English camp, Henry misinterpreted this as the French receiving reinforcements, and was afraid that the prisoners would rejoin the fight against the English.

In the later Middle Ages a number of religious wars aimed to not only defeat but also to eliminate enemies. Authorities in Christian Europe often considered the extermination of heretics and heathens desirable. Examples of such wars include the 13th-century Albigensian Crusade in Languedoc and the Northern Crusades in the Baltic region. When asked by a crusader how to distinguish between the Catholics and Cathars following the projected capture (1209) of the city of Béziers, the papal legate Arnaud Amalric allegedly replied, "Kill them all, God will know His own."

Likewise, the inhabitants of conquered cities were frequently massacred during crusades in the 11th and 12th centuries. Noblemen could hope to be ransomed; their families would have to send to their captors large sums of wealth commensurate with the social status of the captive.

Feudal Japan had no custom of ransoming prisoners of war, who could expect for the most part summary execution.

In the 13th century the expanding Mongol Empire famously distinguished between cities or towns that surrendered (where the population was spared but required to support the conquering Mongol army) and those that resisted (in which case the city was ransacked and destroyed, and all the population killed). In Termez, on the Oxus: "all the people, both men and women, were driven out onto the plain, and divided in accordance with their usual custom, then they were all slain."

Modern times

In Europe the treatment of prisoners of war became increasingly centralised, in the time period between the 16th and late 18th century. Whereas prisoners of war had previously been regarded as the private property of the captor, captured enemy soldiers were increasingly regarded as state property. The European states strove to exert increasing control over all stages of captivity, from the question of who would be attributed the status of prisoner of war to their eventual release. The act of surrender was regulated so that it, ideally, should be legitimised by officers, who negotiated the surrender of their whole unit. Soldiers whose style of fighting did not conform to the battle line tactics of regular European armies, such as Cossacks and Croats, were often denied the status of prisoners of war.

In line with this development the treatment of prisoners of war was increasingly regulated by international treaties, particularly the so-called cartel system, which regulated how warring states would exchange prisoners. The 1648 Peace of Westphalia, which ended the Thirty Years' War, established the rule that prisoners of war should be released and allowed to return to their homelands without ransom after hostilities ended.

There also evolved the right of parole, French for "discourse", in which a captured officer surrendered his sword and gave his word as a gentleman in exchange for privileges. If he swore not to escape, he could gain better accommodations and the freedom of the prison. If he swore to cease hostilities against the nation that held him captive, he could be repatriated or exchanged but could not serve against his former captors in a military capacity.

European settlers captured in North America

Early historical narratives of captured European settlers and the perspectives of literate women captured by the indigenous peoples of North America, exist. The writings of Mary Rowlandson, captured in 1676 in the chaotic fighting of King Philip's War, provide an early example. Such narratives enjoyed some popularity, spawning a genre of the captivity narrative, and had lasting influence on the body of early American literature, most notably through the legacy of James Fenimore Cooper's The Last of the Mohicans (1826). Some Native Americans continued to capture Europeans and use them both as labourers and as bargaining chips into the 19th century; see for example the case of John R. Jewitt, a sailor who wrote a memoir about his years as a captive of the Nootka people on the Pacific Northwest coast from 1802 to 1805.

Great Northern War

During the Great Northern War of 1700 to 1721, Russian authorities sent many Swedish prisoners-of-war, especially those who surrendered after the Battle of Poltava in 1709, to Siberia.

French Revolutionary wars and Napoleonic wars

The earliest known purpose-built prisoner-of-war camp was established at Norman Cross in Huntingdonshire, England in 1797 to house the increasing number of prisoners from the French Revolutionary Wars and Napoleonic Wars. The average prison population was about 5,500 men. The lowest number recorded was 3,300 in October 1804. On 10 April 1810, the highest number recorded in any official document was 6,272. Norman Cross Prison was intended to be a model depot providing the most humane treatment of prisoners of war. The British government went to great lengths to provide food of a quality at least equal to that available to locals. The senior officer from each quadrangle was permitted to inspect the food as it was delivered to the prison to ensure it was of sufficient quality. Despite the generous supply and quality of food, some prisoners died of starvation after gambling away their rations. Most of the men held in the prison were low-ranking soldiers and sailors, including midshipmen and junior officers, with a small number of privateers. About 100 senior officers and some civilians "of good social standing", mainly passengers on captured ships and the wives of some officers, were given parole outside the prison, mainly in Peterborough although some further afield. They were afforded the courtesy of their rank within English society.

During the Battle of Leipzig, both sides used the city's cemetery as a lazaret and prisoner camp for around 6,000 POWs who lived in burial vaults and used coffins for firewood. Food was scarce and prisoners resorted to eating horses, cats, dogs or even human flesh. The bad conditions inside the graveyard contributed to a city-wide epidemic after the battle.

Prisoner exchanges

The extensive period of conflict during the American Revolutionary War and Napoleonic Wars (1793–1815), followed by the Anglo-American War of 1812, led to the emergence of a cartel system for the exchange of prisoners, even while the belligerents were at war. A cartel was usually arranged by the respective armed service for the exchange of like-ranked personnel. The aim was to achieve a reduction in the number of prisoners held, while at the same time alleviating shortages of skilled personnel in the home country.

American Civil War

At the start of the American Civil War a system of paroles operated. Captives agreed not to fight until they were officially exchanged. Meanwhile, they were held in camps run by their own army where they were paid but not allowed to perform any military duties. The system of exchanges collapsed in 1863 when the Confederacy refused to exchange black prisoners.

In the late summer of 1864, a year after the Dix–Hill Cartel was suspended, Confederate officials approached Union General Benjamin Butler, Union Commissioner of Exchange, about resuming the cartel and including the black prisoners. Butler contacted Grant for guidance on the issue, and Grant responded to Butler on 18 August 1864 with his now famous statement. He rejected the offer, stating in essence, that the Union could afford to leave their men in captivity, the Confederacy could not. After that about 56,000 of the 409,000 POWs died in prisons during the American Civil War, accounting for nearly 10% of the conflict's fatalities. Of the 45,000 Union prisoners of war confined in Camp Sumter, located near Andersonville, Georgia, 13,000 (28%) died. At Camp Douglas in Chicago, Illinois, 10% of its Confederate prisoners died during one cold winter month; and Elmira Prison in New York state, with a death rate of 25% (2,963), nearly equalled that of Andersonville.

Amelioration

During the 19th century there were increased efforts to improve the treatment and processing of prisoners. As a result of these emerging conventions, a number of international conferences were held, starting with the Brussels Conference of 1874, with nations agreeing that it was necessary to prevent inhumane treatment of prisoners and the use of weapons causing unnecessary harm. Although no agreements were immediately ratified by the participating nations, work was continued that resulted in new conventions being adopted and becoming recognised as international law that specified that prisoners of war be treated humanely and diplomatically.

Hague and Geneva Conventions

Chapter II of the Annex to the 1907 Hague Convention IV – The Laws and Customs of War on Land covered the treatment of prisoners of war in detail. These provisions were further expanded in the 1929 Geneva Convention on the Prisoners of War and were largely revised in the Third Geneva Convention in 1949.

Article 4 of the Third Geneva Convention protects captured military personnel, some guerrilla fighters, and certain civilians. It applies from the moment of capture until release or repatriation. Under the 1949 Geneva Conventions, POWs are protected persons, meaning their deprivation of rights afforded by the Third Convention could amount to a war crime. Article 17 of the Third Geneva Convention states that POWs can only be required to give their name, date of birth, rank and service number.

The ICRC has a special role to play, with regards to international humanitarian law, in restoring and maintaining family contact in times of war, in particular concerning the right of prisoners of war and internees to send and receive letters and cards (Geneva Convention (GC) III, art. 71 and GC IV, art. 107).

However, nations vary in their dedication to following these laws, and historically the treatment of POWs has varied greatly. During World War II, Imperial Japan and Nazi Germany were notorious for atrocities against prisoners of war. The German military used the Soviet Union's refusal to sign the Geneva Convention as a reason for not providing the necessities of life to Soviet POWs; the Soviets also used Axis prisoners as forced labour. The Germans routinely executed Allied commandos captured behind German lines per the Commando Order.

To be entitled to POW status, captured persons must be lawful combatants entitled to combatant's privilege—which provides immunity from punishment for lawful acts of war, such as killing enemy combatants. To qualify under the Third Geneva Convention, a combatant must be part of a chain of command, wear a "fixed distinctive marking, visible from a distance", bear arms openly, and have conducted military operations according to the laws and customs of war. The Convention recognises a few other groups as well, such as "Inhabitants of a non-occupied territory, who on the approach of the enemy spontaneously take up arms to resist the invading forces, without having had time to form themselves into regular armed units".

Rights

Under the Third Geneva Convention, prisoners of war (POW) must be:

Treated humanely with respect for their persons and their honour

Able to inform their next of kin and the International Committee of the Red Cross of their capture

Allowed to communicate regularly with relatives and receive packages

Given adequate food, clothing, housing, and medical attention

Paid for work done and not forced to do work that is dangerous, unhealthy, or degrading

Released quickly after conflicts end

Not compelled to give any information except for name, age, rank, and service number

In addition, if wounded or sick on the battlefield, the prisoner will receive help from the International Committee of the Red Cross.

When a country is responsible for breaches of prisoner of war rights, those accountable will be punished accordingly. An example of this is the Nuremberg and Tokyo Trials. German and Japanese military commanders were prosecuted for preparing and initiating a war of aggression, murder, ill treatment, and deportation of individuals, and genocide during World War II. Most were executed or sentenced to life in prison for their crimes.

U.S. Code of Conduct and terminology

The United States Military Code of Conduct was promulgated in 1955 via Executive Order 10631 under President Dwight D. Eisenhower to serve as a moral code for United States service members who have been taken prisoner. It was created primarily in response to the breakdown of leadership and organisation, specifically when U.S. forces were POWs during the Korean War.

When a military member is taken prisoner, the Code of Conduct reminds them that the chain of command is still in effect (the highest ranking service member eligible for command, regardless of service branch, is in command), and requires them to support their leadership. The Code of Conduct also requires service members to resist giving information to the enemy (beyond identifying themselves, that is, "name, rank, serial number"), receiving special favours or parole, or otherwise providing their enemy captors aid and comfort.

Since the Vietnam War, the official U.S. military term for enemy POWs is EPW (Enemy Prisoner of War). This name change was introduced to distinguish between enemy and U.S. captives.

In 2000 the U.S. military replaced the designation "Prisoner of War" for captured American personnel with "Missing-Captured". A January 2008 directive states that the reasoning behind this is since "Prisoner of War" is the international legal recognised status for such people there is no need for any individual country to follow suit. This change remains relatively unknown even among experts in the field and "Prisoner of War" remains widely used in the Pentagon which has a "POW/Missing Personnel Office" and awards the Prisoner of War Medal.

World War I

During World War I, about eight million men surrendered and were held in POW camps until the war ended. All nations pledged to follow the Hague rules on fair treatment of prisoners of war, and in general the POWs had a much higher survival rate than their peers who were not captured. Individual surrenders were uncommon; usually a large unit surrendered all its men. At Tannenberg 92,000 Russians surrendered during the battle. When the besieged garrison of Kaunas surrendered in 1915, 20,000 Russians became prisoners. Over half the Russian losses were prisoners as a proportion of those captured, wounded or killed. About 3.3 million men became prisoners.

The German Empire held 2.5 million prisoners; Russia held 2.9 million, and Britain and France held about 720,000, mostly gained in the period just before the Armistice in 1918. The US held 48,000. The most dangerous moment for POWs was the act of surrender, when helpless soldiers were sometimes killed or mistakenly shot down. Once prisoners reached a POW camp conditions were better (and often much better than in World War II), thanks in part to the efforts of the International Red Cross and inspections by neutral nations.

There was much harsh treatment of POWs in Germany, as recorded by the American ambassador (prior to America's entry into the war), James W. Gerard, who published his findings in My Four Years in Germany. Even worse conditions are reported in the book Escape of a Princess Pat by the Canadian George Pearson. It was particularly bad in Russia, where starvation was common for prisoners and civilians alike; a quarter of the over 2 million POWs held there died. Nearly 375,000 of the 500,000 Austro-Hungarian prisoners of war taken by Russians perished in Siberia from smallpox and typhus. In Germany, food was short, but only 5 per cent died.

The Ottoman Empire often treated prisoners of war poorly. Some 11,800 British soldiers, most from the British Indian Army, became prisoners after the five-month Siege of Kut, in Mesopotamia, in April 1916. Many were weak and starved when they surrendered and 4,250 died in captivity.

During the Sinai and Palestine campaign 217 Australian and unknown numbers of British, New Zealand and Indian soldiers were captured by Ottoman forces. About 50 per cent of the Australian prisoners were light horsemen including 48 missing believed captured on 1 May 1918 in the Jordan Valley. Australian Flying Corps pilots and observers were captured in the Sinai Peninsula, Palestine and the Levant. One third of all Australian prisoners were captured on Gallipoli including the crew of the submarine AE2 which made a passage through the Dardanelles in 1915. Forced marches and crowded railway journeys preceded years in camps where disease, poor diet and inadequate medical facilities prevailed. About 25 per cent of other ranks died, many from malnutrition, while only one officer died. The most curious case came in Russia where the Czechoslovak Legion of Czechoslovak prisoners (from the Austro-Hungarian army) who were released and armed to fight on the side of the Entente, who briefly served as a military and diplomatic force during the Russian Civil War.

Release of prisoners

At the end of the war in 1918 there were believed to be 140,000 British prisoners of war in Germany, including thousands of internees held in neutral Switzerland. The first British prisoners were released and reached Calais on 15 November. Plans were made for them to be sent via Dunkirk to Dover and a large reception camp was established at Dover capable of housing 40,000 men, which could later be used for demobilisation.

On 13 December 1918, the armistice was extended and the Allies reported that by 9 December 264,000 prisoners had been repatriated. A very large number of these had been released en masse and sent across Allied lines without any food or shelter. This created difficulties for the receiving Allies and many ex-prisoners died from exhaustion. The released POWs were met by cavalry troops and sent back through the lines in lorries to reception centres where they were refitted with boots and clothing and dispatched to the ports in trains.

Upon arrival at the receiving camp the POWs were registered and "boarded" before being dispatched to their own homes. All commissioned officers had to write a report on the circumstances of their capture and to ensure that they had done all they could to avoid capture. Each returning officer and man was given a message from King George V, written in his own hand and reproduced on a lithograph.

The Queen joins me in welcoming you on your release from the miseries & hardships, which you have endured with so much patience and courage.

During these many months of trial, the early rescue of our gallant Officers & Men from the cruelties of their captivity has been uppermost in our thoughts.

We are thankful that this longed for day has arrived, & that back in the old Country you will be able once more to enjoy the happiness of a home & to see good days among those who anxiously look for your return.

While the Allied prisoners were sent home at the end of the war, the same treatment was not granted to Central Powers prisoners of the Allies and Russia, many of whom had to serve as forced labour, e.g. in France, until 1920. They were released after many approaches by the ICRC to the Allied Supreme Council.

World War II

Historian Niall Ferguson, in addition to figures from Keith Lowe, tabulated the total death rate for POWs in World War II as follows:

Treatment of POWs by the Axis

The Empire of Japan, which had signed but never ratified the 1929 Geneva Convention on Prisoners of War, did not treat prisoners of war in accordance with international agreements, including provisions of the Hague Conventions, either during the Second Sino-Japanese War or during the Pacific War, because the Japanese viewed surrender as dishonorable. Moreover, according to a directive ratified on 5 August 1937 by Emperor Hirohito, the constraints of the Hague Conventions were explicitly removed on Chinese prisoners of war.

Prisoners of war from China, the United States, Australia, Britain, Canada, India, the Netherlands, New Zealand, the Philippines, and Japanese-occupied Asia, held by Japanese imperial armed forces were subject to murder, torture (both physical and psychological), beatings, extrajudicial punishment, slavery, medical experiments, starvation rations, poor medical treatment and even cannibalism. The most notorious use of forced labour was in the construction of the Burma–Thailand Death Railway. After 20 March 1943, the Imperial Navy was ordered to kill prisoners of war taken at sea. After the Armistice of Cassibile, Italian soldiers and civilians in East Asia were taken as prisoners of war by Japanese armed forces and subject to the same conditions as other POWs.

According to the findings of the Tokyo Tribunal, the Japanese captured 350,000 POWs, of which 131,134 came from Britain, the Netherlands, Australia, the United States, Canada, and New Zealand. Of these 131,134 POWs, 35,756 died while detained, the death rate of Western prisoners was thus 27.1 per cent, seven times that of Western POWs under the Germans and Italians. The death rate of Chinese was much higher. Thus, while 37,583 prisoners from the United Kingdom, 28,500 from the Netherlands, and 14,473 from the United States were released after the surrender of Japan, the number for the Chinese was only 56. The 27,465 US Army POWs captured in the Pacific Theater, including Filipinos, had a 40.4 per cent death rate. The War Ministry in Tokyo issued an order at the end of the war allowing local commanders to kill remaining POWs without formal orders from Tokyo.

No direct access to the POWs was provided to the International Red Cross. Escapes among the prisoners of European descent were almost impossible because of the difficulty of hiding in Asiatic populations.

Allied POW camps and ship-transports became accidental targets of Allied attacks. The number of deaths which occurred when Japanese "hell ships"—unmarked transport ships in which POWs were transported in harsh conditions—were attacked by U.S. Navy submarines was particularly high. Gavan Daws has calculated that "of all POWs who died in the Pacific War, one in three was killed on the water by friendly fire". Daws states that 10,800 of the 50,000 POWs shipped by the Japanese were killed at sea while Donald L. Miller states that "approximately 21,000 Allied POWs died at sea, about 19,000 of them killed by friendly fire."

Treatment of POWs by the Soviet Union

According to some sources, the Soviets captured 3.5 million Axis servicemen (excluding Japanese), of whom more than a million died. One specific example is that of the German POWs after the Battle of Stalingrad, where the Soviets captured 91,000 German troops in total (completely exhausted, starving and sick), of whom only 5,000 survived the captivity.

German soldiers were kept as forced labour for many years after the war. The last German POWs like Erich Hartmann, the highest-scoring fighter ace in the history of aerial warfare, who had been declared guilty of war crimes but without due process, were not released by the Soviets until 1955, two years after Stalin died.

As a result of the Soviet invasion of Poland in 1939, hundreds of thousands of Polish soldiers became prisoners of war in the Soviet Union. Thousands were executed; over 20,000 Polish military personnel and civilians perished in the Katyn massacre. Out of Anders' 80,000 evacuees from the Soviet Union to the United Kingdom, only 310 volunteered to return to Poland in 1947.

Of the 230,000 Polish prisoners of war taken by the Soviet army, only 82,000 survived.

After the Soviet–Japanese War, 560,000 to 760,000 Japanese prisoners of war were captured by the Soviet Union. The prisoners were captured in Manchuria, Korea, South Sakhalin and the Kuril Islands, then sent to work as forced labour in the Soviet Union and Mongolia. An estimated 60,000 to 347,000 of these Japanese prisoners of war died in captivity.

Stories that circulated during the Cold War claimed 23,000 Americans held in German POW camps had been seized by the Soviets and never been repatriated. The claims had been perpetuated after the release of people like John H. Noble. Careful scholarly studies demonstrated that this was a myth based on the misinterpretation of a telegram about Soviet prisoners held in Italy.

Treatment of POWs by the Western Allies

During the war, the armies of Western Allied nations such as Australia, Canada, the UK and the US were given orders to treat Axis prisoners strictly in accordance with the Geneva Convention. Some breaches of the Convention took place, however. According to Stephen E. Ambrose, of the roughly 1,000 US combat veterans he had interviewed, only one admitted to shooting a prisoner, saying he "felt remorse, but would do it again". However, one-third of interviewees told him they had seen fellow US troops kill German prisoners.

In Britain, German prisoners, particularly higher-ranked officers, were housed in luxurious buildings where listening devices were installed. A considerable amount of military intelligence was gained from eavesdropping on what the officers believed were private casual conversations. Much of the listening was carried out by German refugees, in many cases Jews. The work of these refugees in contributing to the Allied victory was declassified over half a century later.

In February 1944, 59.7% of POWs in America were employed. This relatively low percentage was due to problems setting wages that would not compete against those of non-prisoners, to union opposition, as well as concerns about security, sabotage, and escape. Given national manpower shortages, citizens and employers resented the idle prisoners, and efforts were made to decentralise the camps and reduce security enough that more prisoners could work. By the end of May 1944, POW employment was at 72.8%, and by late April 1945 it had risen to 91.3%. The sector that made the most use of POW workers was agriculture. There was more demand than supply of prisoners throughout the war, and 14,000 POW repatriations were delayed in 1946 so prisoners could be used in the spring farming seasons, mostly to thin and block sugar beets in the west. While some in Congress wanted to extend POW labour beyond June 1946, President Truman rejected this, leading to the end of the program.

Towards the end of the war in Europe, as large numbers of Axis soldiers surrendered, the US created the designation of Disarmed Enemy Forces (DEF) so as not to treat prisoners as POWs. A lot of these soldiers were kept in open fields in makeshift camps in the Rhine valley (Rheinwiesenlager). Controversy has arisen about how Eisenhower managed these prisoners. (see Other Losses).

After the surrender of Germany in May 1945, the POW status of the German prisoners was in many cases maintained, and they were for several years used as public labourers in countries such as the UK and France. Many died when forced to clear minefields in countries such as Norway and France. "By September 1945 it was estimated by the French authorities that two thousand prisoners were being maimed and killed each month in accidents".

Post-World War II

During the Korean War, the North Koreans developed a reputation for torturing and severely mistreating prisoners of war (see Treatment of POWs by North Korean and Chinese forces). Their POWs were housed in three camps, according to their potential usefulness to the North Korean army. Peace camps and reform camps were for POWs that were either sympathetic to the cause or who had valued skills that could be useful to the North Korean military; these enemy soldiers were indoctrinated and sometimes conscripted into the North Korean army. While POWs in peace camps were reportedly treated with more consideration, regular prisoners of war were usually tortured or treated very poorly.

The 1952 Inter-Camp POW Olympics were held from 15 to 27 November 1952 in Pyuktong, North Korea. The Chinese hoped to gain worldwide publicity, and while some prisoners refused to participate, some 500 POWs of eleven nationalities took part. They came from all the North Korean prison camps and competed in football, baseball, softball, basketball, volleyball, track and field, soccer, gymnastics, and boxing. For the POWs, this was also an opportunity to meet with friends from other camps. The prisoners had their own photographers, announcers, and even reporters, who after each day's competition published a newspaper, the "Olympic Roundup".

At the end of the First Indochina War, of the 11,721 French soldiers taken prisoner after the Battle of Dien Bien Phu and led by the Viet Minh on death marches to distant POW camps, only 3,290 were repatriated four months later.

During the Vietnam War, the Viet Cong and North Vietnamese Army took many South Vietnamese and United States servicemembers as prisoners of war and subjected them to mistreatment and torture. Some American and South Vietnamese prisoners of war were held in the prison known to US POWs as the Hanoi Hilton. North Vietnamese and Viet Cong held in custody by South Vietnamese and American forces were also tortured and badly treated. After the war, millions of South Vietnamese servicemen and government workers were sent to "re-education" camps, where many perished.

As in previous conflicts, speculation existed, without evidence, that a handful of American pilots captured during the Korean and Vietnam wars were transferred to the Soviet Union and never repatriated.

Numbers of POWs

This section lists nations with the highest number of POWs since the start of World War II and ranked by descending order. These are also the highest numbers in any war since the Convention Relative to the Treatment of Prisoners of War entered into force on 19 June 1931. The USSR had not signed the Geneva Convention.

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