Poland suffered the most civilian deaths during World War 2, with at least 6 million people killed. The country was also the site of some of the most brutal fighting, including the Warsaw Ghetto Uprising and the Battle of Stalingrad.
2. Soviet Union
The Soviet Union lost an estimated 27 million people during World War 2, more than any other country. The country was invaded by Germany in 1941, and the fighting continued for four years. The Soviet Union suffered massive losses, but ultimately emerged victorious.
3. Germany
Germany was responsible for starting World War 2, and the country suffered greatly as a result. An estimated 8 million Germans were killed during the war, and the country was left in ruins.
4. China
China was also one of the hardest-hit countries during World War 2, with an estimated 20 million people killed. The country was invaded by Japan in 1937, and the fighting continued until 1945. China suffered massive losses, but ultimately emerged victorious.
5. United Kingdom
The United Kingdom was one of the main Allied powers during World War 2, and the country suffered greatly as a result. An estimated 450,000 British people were killed during the war, and the country was heavily damaged.