Qatar population was 2.6 million: 313,000 Qatari citizens and 2.3 million expatriates. Islam is the official religion of Qatar. The country has the highest per capita income in the world. Qatar is classified by the UN as a country of very high human development and is widely regarded as the most advanced Arab state for human development. Qatar is a high-income economy, backed by the world's third-largest natural gas reserves and oil reserves. Qatar has been ruled by the House of Thani since Mohammed bin Thani signed a treaty with the British in 1868 that recognised its separate status. Following Ottoman
CentralPlaza Udon Thani hall of . CentralPlaza Udon Thani CentralPlaza Udon Thani (previously Charoensri Complex) is a shopping mall on Prajaksilapakom Road, Mueang Udon Thani District, Udon Thani. Central Pattana acquired the former Charoensri complex on . Plans have been made to renovate and expand the complex on a land plot. The shopping mall was established as Charoensri Complex () in by Udon Charoensri (1968) Ltd. CentralPlaza Udon Thani had a major mall renovation and expansion between and , had a grand opening on . The shopping mall expansion includes new retailing area of , new 5-floor parking building over 2,000 parking space