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
Udon Thani one of the main components of fertilizer. Udon Thani has three Tesco Lotus stores, two Big C malls, a Makro, and three large shopping malls. The largest shopping mall is CentralPlaza Udon Thani which hosts Udon Thani's largest movie theatre cinema Major Cineplex. CentralPlaza Udon Thani was reopened 27 March 2012 after a massive renovation and expansion. Landmark Plaza has the second largest cineplex in Udon Thani, SF Cinema City. The shopping mall, UD Town, opened in winter 2009. In a park-like setting on an area of 38,000 m² (24 rai), UD Town is Thailand's largest open air shopping center