BEIRUT, April 4 (Reuters) - Thousands of people have been killed in Syria during a year-long popular revolt against President Bashar al-Assad's rule, but accurate figures are hard to come by.
The government has restricted access to journalists and aid workers in Syria. The United Nations, opposition groups and the government give varying casualty estimates. But even by the most conservative tally, more than 6,000 people have been killed.
Following are the death tolls offered by different groups:
Data from Reuters. Infographic by Chris Spurlock/The Huffington Post.
(Writing by Erika Solomon; Editing by Alistair Lyon)