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
Uthai Thani Province is the neem ("Azadirachta indica v. siamensis"). The flag of Uthai Thani depicts the provincial seal of Uthai Thani in the middle. The yellow colour at the top of the flag is the colour of the Chakri dynasty, symbolizing gold. The green colour at the bottom is the colour of King Rama I as he was born on a Wednesday, which is associated with green in the Thai calendar. The text below the seal says "Uthai Thani Province". The province is divided into eight districts ("amphoe"). These are further subdivided into 70 sub-districts ("tambon") and 642 villages ("muban"). Uthai Thani