Russia had the most troops deployed in WWI. They had about 12,000,000 soldiers deployed. Germany came in second with about 11,000,000 soldiers deployed. Have a great day!
Russia deployed 12,000,000 troops in World War One. The closest to that is Germany, they deployed 11,000,000.
Russia had the most troops deployed in WWI. They had 12,000,000. Germany came in second.
I wanna say Germany but i could be wrong. If i had options it would help