Ukraine
The options are either reserve officer training for two years (offered in universities as a part of a program which means not having to join the army), or one year regular service. In Ukraine, a person could not be conscripted after he turned twenty-five. The Ukrainian army had similar problems with dedovshchina as the Russian army did until very recently, but in Ukraine the problem is getting less severe compared to Russia, due to cuts in the conscript terms (from 24 months to 18 months in the early 2000s and then to 12 months in 2004) and cuts in total conscription numbers (due to the switching of the army into a full-time professional army) since the last conscripts may be drafted until the end of 2015.
Read more about this topic: Military Service, Countries With Mandatory Military Service