More than 150,000 people have been killed in Syria since the conflict began in March 2011, a monitoring group said in a new toll released Tuesday.

The Syrian Observatory for Human Rights said it had documented the deaths of 150,344 people. Of them, 51,212 were civilians, including 7,985 children.

The group said 37,781 members of the armed opposition had been killed, including jihadists from the Islamic State of Iraq and the Levant and the Al-Qaeda affiliated Al-Nusra Front.