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
Surat Thani Province Surat Thani Province Surat Thani (, ), often shortened to Surat, is the largest of the southern provinces ("changwat") of Thailand. It lies on the western shore of the Gulf of Thailand. Surat Thani means "city of good people", a title given to the city by King Vajiravudh (Rama VI). The area of Surat Thani was already inhabited in prehistoric times by Semang and Malayan tribes. Founded in the 3rd century, the Srivijaya kingdom dominated the Malay Peninsula until the 13th century. The city of Chaiya contains ruins from the Srivijaya period, and it was probably a regional capital of