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 State Railway of Thailand. Surat Thani Railway Station is the main station of the province. It is in Phunphin, about from Surat Thani. Surat Thani is connected to Nakhon Si Thammarat by Route 401. Asian highway AH2 also passes the city at Phunphin. Surat Thani International Airport is about from the city by road. There are three main ferry companies that operate from mainland Surat Thani to the islands: Lomprayah, Seatran, and Raja. There are only two ferry piers in Muang Surat Thani: Tapee Pier, which Lomprayah's High Speed Catarman operates from, and Bandon Pier, which is for night boats