sentences:  Many countries with volunteer militaries reserve the right to renew conscription in the event of an emergency.The Indian Army is the world's largest standing volunteer army.According to the International Institute for Strategic Studies, in 2010 the army had a strength of 1,129,900 active personnel and 960,000 reserve personnel
  
  In recent decades, the trend among numerous countries has been to move from conscription to all-volunteer military forces.