Although Iran elected a moderate candidate, Hassan Rouhani, to be president in 2013, the country has seen no significant improvements in human rights. Repressive elements within the security and intelligence forces and the judiciary retain wider powers and continue to be the main perpetrators of rights abuses. In 2014 Iran had the second highest number of executions in the world after China, and executed the largest number of juvenile offenders. The country remains one of the biggest jailers in the world of journalists, bloggers, and social media activists. Prominent opposition figures Mir Hossein Mousavi, Zahra Rahnavard, and Mehdi Karroubi, held without charge or trial since February 2011, remain under house arrest.