The following table shows comparative officer ranks of several Allied and Central powers during World War I.
Table
{| style="border:1px solid #8888aa; background-color:#f7f8ff; padding:5px; font-size:95%; margin: 0px 12px 12px 0px; text-align:center;"
|-
| rowspan=2| <br />
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=3| 100px
| colspan=3| 100px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=3| <br />
| colspan=3| <br />
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=3| <br />
| colspan=3| <br />
|-
| rowspan=2| Belgian Army
| colspan=4 rowspan=2| <!--None-->
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2| <!--None-->
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=1| 50px
| colspan=1| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
|-
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=1|
| colspan=1|
| colspan=2|
| colspan=2|
| colspan=2|
|-
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| Field marshal
| colspan=2| General
| colspan=2| Lieutenant-general
| colspan=2| Major-general
| colspan=2| Brigadier-general
| colspan=2| Colonel
| colspan=2| Lieutenant-colonel
| colspan=2| Major
| colspan=2| Captain
| colspan=3| Lieutenant
| colspan=3| Second lieutenant
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| Admiral of the Fleet
| colspan=2| Admiral
| colspan=2| Vice-admiral
| colspan=2| Rear-admiral
| colspan=2| Commodore 1st class
| colspan=2| Commodore 2nd class
| colspan=2| Captain
| colspan=2| Commander
| colspan=2| Lieutenant commander
| colspan=3| Lieutenant
| colspan=3| Sub-lieutenant
|-
| rowspan=2| Royal Bulgarian Army & Air Force
| colspan=2 rowspan=2| <!--None-->
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2| <!--None-->
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=3| <br />
| colspan=3| <br />
| rowspan=2| Beiyang Army
| colspan=2 rowspan=2|
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2 rowspan=2|
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
|-
| rowspan=2| Republic of China Navy
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=4| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=4| <br />()
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-France
| rowspan=2| <br />
| colspan=2| 50px
| colspan=4| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=4| <br />()
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-
| rowspan=2|
| 50px
| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
|
|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-
| rowspan=2|<br />
| colspan=2 rowspan=2| <!--None-->
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2| <!--None-->
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=3| <br />
| colspan=3| <br />
|-
| rowspan=2| <br />
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=1| 50px
| colspan=1| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=1|
| colspan=1|
| colspan=3|
| colspan=3|
|-
| rowspan=2|
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-
| rowspan=2| <br />
| colspan=1| 100px
| colspan=1| 100px 50px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2 rowspan=2|
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
| colspan=2| 100px
|-
| colspan=1| <br />
| colspan=1| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
|-
| rowspan=2| <br />
| colspan=1| 50px
| colspan=1| 50px<br />50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2| <!--None-->
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
|-
| colspan=1| <br />
| colspan=1| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
|-
| rowspan=2| Royal Montenegrin Army
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-
| rowspan=2|
| colspan=2| 50px
| colspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| <br />
| colspan=2|
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=3| <br />
| colspan=3| <br />
|-
| rowspan=2|
| colspan=2| 50px
| colspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=1| 50px
| colspan=1| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=1| 50px
| colspan=1| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 30px
|-
| colspan=2| <br />
| colspan=2|
| colspan=2| <br />
| colspan=2| <br />
| colspan=1| <br />
| colspan=1| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=1| <br />
| colspan=1| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=4 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-
| rowspan=2| <br />
| colspan=4 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=3|
| colspan=3|
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=4| 50px
| colspan=1| 50px
| colspan=1| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=4| <br />
| colspan=1| <br />
| colspan=1| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
|-
| rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=4| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=4| <br />
| colspan=2| <br />
| colspan=3| <br />
| colspan=3| <br />
|-
| rowspan=2| Provisional Russian Navy<br /><br />
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2 rowspan=2|
| colspan=2| 50px
| colspan=4| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=2| <br />
| colspan=4| <br />
| colspan=2| <br />
| colspan=3| <br />
| colspan=3| <br />
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=8| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=1| 50px
| colspan=1| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2|
| colspan=8|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=1|
| colspan=1|
| colspan=3|
| colspan=3|
|-
| rowspan=2| <br />
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| General of the Armies
| colspan=2| General
| colspan=2| Lieutenant general
| colspan=2| Major general
| colspan=2| Brigadier general
| colspan=2| Colonel
| colspan=2| Lieutenant colonel
| colspan=2| Major
| colspan=2| Captain
| colspan=3| First lieutenant
| colspan=3| Second lieutenant
|-
| rowspan=2| <br />
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2|
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=2| 50px
| colspan=3| 50px
| colspan=3| 50px
|-
| colspan=2| Admiral of the Navy
| colspan=2| Admiral
| colspan=2| Vice admiral
| colspan=2| Rear admiral
| colspan=2| Commodore
| colspan=2| Captain
| colspan=2| Commander
| colspan=2| Lieutenant commander
| colspan=2| Lieutenant
| colspan=3| Lieutenant (junior grade)
| colspan=3| Ensign
|-
|}
See also
- Comparative officer ranks of World War II
- Rank insignia of the Imperial Russian Army 1917
- List of comparative military ranks