The number of soldiers who fought in Koan no Eki is said to have been about 140,000 held by Yuan and Goryeo (40,000 of the Eastern Route Army and 100,000 of the Southern Yangtze Army) and about 40,000 held by the Kamakura shogunate.
なお、弘安の役における両軍の兵力は、元・高麗軍が約14万（東路軍4万、江南軍10万）、鎌倉軍が約4万だとされる。