|
Time Participated
|
Side
|
Casualties
|
Answer
|
|
1 August 1914 - 11 November 1918
|
Central Powers
|
2,800,720
|
German Empire
|
|
28 July 1914 - 31 October 1918
|
Central Powers
|
2,081,200
|
Austro-Hungarian Empire
|
|
2 November 1914 - 3 October 1918
|
Central Powers
|
3,271,844
|
Ottoman Empire
|
|
14 October 1915 - 30 September 1918
|
Central Powers
|
187,500
|
Third Bulgarian Tsardom
|
|
24 September 1914 – 4 February 1915
|
Central Powers
|
124
|
South African Republic
|
|
Unknown Date
|
Central Powers
|
9,000
|
Emirate of Jabal Shammar
|
|
16 March 1916 – 6 November 1916
|
Central Powers
|
231
|
Kingdom of Darfur
|
|
28 May 1918 - 11 November 1918
|
Central Powers
|
6,000
|
Azerbaijan Democratic Republic
|
|
31 October 1918 - 3 November 1918
|
Central Powers
|
30,000
|
First Austrian Republic
|
|
3 August 1914 - 11 November 1918
|
Entente
|
1,737,800
|
French Third Republic
|
|
4 August 1914 - 11 November 1918
|
Entente
|
1,244,093
|
United Kingdom of Great Britain and Ireland
|
|
26 July 1914 - 14 September 1917
|
Entente
|
3,394,369
|
Russian Empire
|
|
14 September 1917 - 19 January 1918
|
Entente
|
2,000
|
Russian Democratic Federative Republic
|
|
19 January 1918 - 3 March 1918
|
Non-Entente Nation Against Central Powers
|
Unknown
|
Russian Soviet Federative Socialist Republic
|
|
April 4 1917 - 11 November 1918
|
Entente
|
117,466
|
United States of America
|
|
23 May 1915 - 4 November 1918
|
Entente
|
1,301,400
|
Kingdom of Italy
|
|
23 August 1914 - 11 November 1918
|
Entente
|
4,661
|
Empire of Japan
|
|
28 July 1914 - 11 November 1918
|
Entente
|
1,250,000
|
Kingdom of Serbia
|
|
4 August 1914 - 11 November 1918
|
Entente
|
144,337
|
Kingdom of Belgium
|
|
1 August 1914 - 11 November 1918
|
Entente
|
13,325
|
Kingdom of Montenegro
|
|
|
Time Participated
|
Side
|
Casualties
|
Answer
|
|
4 August 1914 - 11 November 1918
|
Entente
|
2,800
|
Grand Duchy of Luxembourg
|
|
4 August 1914 - 11 November 1918
|
Entente
|
800
|
Sheikhdom of Kuwait
|
|
19 December 1914 - 11 November 1918
|
Entente
|
500,000
|
Sultanate of Egypt
|
|
January 1915 - 11 November 1918
|
Entente
|
50,000
|
Emirate of Nejd and Hasa
|
|
10 November 1914 - 11 November 1918
|
Entente
|
Unknown
|
Idrisid Emirate of Asir
|
|
September 1916 - June 1917
|
Entente
|
500
|
State of Thessaloniki
|
|
26 February 1916 - 11 November 1918
|
Entente
|
89,235
|
First Portuguese Republic
|
|
17 August 1916 - 11 November 1918
|
Entente
|
665,706
|
Kingdom of Romania
|
|
10 June 1916 - 11 November 1918
|
Entente
|
80,000
|
Hashemite Kingdom of Hejaz
|
|
2 July 1917 - 11 November 1918
|
Entente
|
176,000
|
Kingdom of Greece
|
|
14 August 1917 - 11 November 1918
|
Entente
|
20,000
|
Republic of China
|
|
22 July 1914 - 11 November 1918
|
Entente
|
19
|
Kingdom of Siam
|
|
26 October 1917 - 11 November 1918
|
Entente
|
Unknown
|
Republic of the United States of Brazil
|
|
7 April 1917 - 11 November 1918
|
Entente
|
~10,000
|
Republic of Cuba
|
|
22 April 1917 - 28 May 1917
|
Entente
|
140,000
|
Transcaucasian Democratic Federative Republic
|
|
26 July 1918 - 30 October 1918
|
Entente
|
5,000
|
Central-Caspian Dictatorship
|
|
28 May 1918 - 30 October 1918
|
Entente
|
~200,000
|
First Republic of Armenia
|
|
25 December 1917 - March 1918
|
Non-Entente Nation Against Central Powers
|
8,000
|
Ukrainian People's Republic of Soviets
|
|
19 March 1918 - 30 April 1918
|
Non-Entente Nation Against Central Powers
|
Unknown
|
Taurida Soviet Socialist Republic
|
|
