However, the country's educational infrastructure was still underprepared for online teaching, as smaller and more remote schools were particularly hindered by COVID-19 restrictions. The country is also one of the few that still mandates uniform up to the university years, which is still a subject of ongoing debate. Education is compulsory up to and including age 14, while the government is mandated to provide free education through to age 17. Thailand has the second-largest number of Buddhists in the world after China. The country's most prevalent religion is Theravada Buddhism, which is an integral part of Thai identity and culture. Numerous tribal languages are also spoken, including many Austroasiatic languages such as Mon, Khmer, Lawa and Mlabri; Austronesian languages such as Cham, Moken and Urak Lawoi'; Sino-Tibetan languages like Akha and Karen; and other Tai languages such as Phu Thai, and Saek. As of 2020[update], Thailand was ranked 89th out of 100 countries globally for English proficiency. Students in ethnic minority areas score consistently lower in standardised national and international tests. Thailand has the second highest number of English-medium private international schools in Southeast Asian Nations. Thai universities' research output is still relatively low, even though the country's journal publications increased by 20% between 2011 and 2016. Average revenue uplift for businesses using Stripe’s latest checkout optimizations Automatically decrease fraud and improve authorization rates using Stripe Radar and Authorization Boost, powered by AI trained on billions of data points. Sell cross-border to 195+ countries and lower the costs of multicurrency management. Accept payments online, in person, and around the world with a payments solution built for any business—from scaling startups to global enterprises. Thaksin sought to position Thailand as a regional leader, initiating various development projects in poorer neighbouring countries. As part of its effort to increase international ties, Thailand had reached out to such regional organisations as the Organization of American States (OAS) and the Organization for Security and Co-operation in Europe (OSCE). When East Timor gained independence from Indonesia, Thailand contributed troops to the international peacekeeping effort. In the 2000s, Thailand had taken an active role on the international stage and participated fully in international and regional organisations. Thailand has developed increasingly close ties with other members, with progressing regional co-operation in economic, trade, banking, political, and cultural matters. During the Cold War, Thailand sought to prevent the spread of communism so it joined the United States, including participating in SEATO alliance, sending expeditions to Korea and Vietnam, and offering the US to use its base. A reflection of Wat Mahathat in Sukhothai, Thailand’s first ancient capital. For rice field views, consider the quieter Yoma Hotel ($58 USD/night) or Buzzas @ Pai Chan, a backpacker’s spot that’s $26 USD/night. The city center is filled with trekking agencies, boutiques and an endless array of restaurants. Coal-fired power plants produce an additional 20% of electricity, with the remainder coming from biomass, hydro, and biogas. This means the country uses about twice as much biocapacity as it contains, resulting in a deficit. Bank of Thailand reported that during 2006–16, Thailand's top 5% largest companies had 85% of all corporate revenue in the nation, and only 6% of the country's companies were in export industries, which made up 60% of the country's GDP. Varieties of Chinese are also spoken by the large Thai Chinese population, with the Teochew dialect best-represented. The largest of Thailand's minority languages is the Lao dialect of Isan spoken in the northeastern provinces. It is the principal language of education and government and spoken throughout the country. Twenty million Central Thai (together with approximately 650,000 Khorat Thai) made up approximately 20,650,000 (34.1 per cent) of the state's population of 60,544,937 at the time of completion of the Mahidol University Ethnolinguistic Maps of Thailand data (1997). The remaining 4.1% of the population are Burmese (2.0%), others (1.3%), and unspecified (0.9%). Political authority, however, has often been held by the military, which has taken power through coups. Thailand, country located in the centre of mainland Southeast Asia. Rajamangala National Stadium is the biggest sporting arena in Thailand, with a capacity of around 50,000. On 11 February 2014, the stadium was relocated to Ram Intra Road due to the new venue's capacity. Thailand has also attracts golfers from Japan, Korea, and Western countries. The country has hosted the Asian Cup twice, in 1972 and in 2007 (along with Indonesia, Malaysia, and Vietnam for the 2007).