What was the size of the Mexican army in the Mexican American war?

Answer 1

According to Wikipedia,

American

78,700 soldiers

Mexican

25,000-40,000 soldiers

Casualties and losses

13,271 total dead
4,152 wounded

at least 9,200 deserted or defected[1]

5,130 Soldiers dead
856 civilians killed
Unknown dead from disease [2]

Find full information at:

http://en.wikipedia.org/wiki/Mexican%E2%80%93American_War