Thailand

Thailand, officially the Kingdom of Thailand, and formerly known as Siam until 1939, is a country located in Mainland Southeast Asia. It shares land borders with Myanmar to the west and northwest, Laos to the east and northeast, Cambodia to the southeast, and Malaysia to the south. Its maritime boundaries include the Gulf of Thailand and the Andaman Sea, as well as maritime borders with Vietnam, Indonesia, and India. Thailand has a population of nearly 66 million people and covers an area of approximately 513,115 km² (198,115 sq mi). The country's capital and largest city is Bangkok.

Archaeological evidence shows that humans have lived in the area of present-day Thailand for at least 40,000 years. Over time, many groups settled there, including the Mon, Khmer, and Malay people. The Tai people began moving into the region between the 8th and 10th centuries, forming important kingdoms such as Sukhothai, Lan Na, and Ayutthaya. The Ayutthaya Kingdom, founded in 1350, became a strong regional power until it was destroyed by Burmese forces in 1767.

Thailand has a rich history of avoiding colonization during the era of Western imperialism, unlike many of its neighbors. It joined World War I on the side of the Allies and later became an important ally of the United States during the Cold War. Today, Thailand is recognized as a developing country with a strong economy based on manufacturing, agriculture, and tourism. It plays a significant role in Southeast Asian geopolitics as a member of the United Nations and the Association of Southeast Asian Nations (ASEAN).

Etymology

Thailand was known as Siam to outsiders before 1939. The word "Thai" means "free man" in the Thai language, differentiating Thais from others in their society. Thais often call their country "prathet Thai," which means "Thailand."

The name "Siam" may have come from Sanskrit or Mon languages, meaning "dark" or "stranger." It was used by ancient Khmers to refer to people living near the Chao Phraya River. The name Siam became official in the country's first international treaty, until it was changed to Thailand in 1939.

Main article: Thai National Anthem

History

Main article: History of Thailand

Thailand, known as Siam until 1939, has a long history with evidence of human habitation dating back 20,000 years. Early civilizations like the Kingdom of Funan and the Khmer Empire influenced the region, bringing cultures and religions from India. The Thai people, part of the Tai ethnic group, began migrating into the area during the first millennium CE, mixing with local cultures.

Over the centuries, Thailand saw the rise of several kingdoms, including Sukhothai, known for its early use of Thai script, and Ayutthaya, which became a major regional power. These periods were marked by growth in trade, culture, and Buddhism. Thailand avoided colonization during the colonial era through careful diplomacy.

In the 20th century, Thailand experienced shifts from absolute monarchy to military rule and back to democracy. Key events include the Siamese revolution of 1932, which ended absolute monarchy, and various military coups. Recent decades have seen political instability, with periods of military juntas and protests demanding democratic reforms. Despite these challenges, Thailand remains a significant cultural and economic presence in Southeast Asia.

Geography

Main article: Geography of Thailand

Thailand is the 50th-largest country in the world, covering 513,120 square kilometres. The country has several distinct regions. The north is mountainous, with the highest point being Doi Inthanon at 2,565 metres above sea level. The northeast, known as Isan, features the Khorat Plateau and is bordered by the Mekong River. Central Thailand is dominated by the flat Chao Phraya river valley, which flows into the Gulf of Thailand. The south includes the narrow Kra Isthmus and extends into the Malay Peninsula.

Thailand's climate is influenced by monsoon winds, leading to three main seasons: the rainy season from mid-May to mid-October, the dry season from mid-October to mid-February, and the hot season from mid-February to mid-May. The country is vulnerable to climate change, especially rising sea levels and extreme weather. Thailand is rich in biodiversity, with many national parks and protected areas, though challenges like poaching and conservation of species such as elephants remain important issues.

Politics and government

Main articles: Politics of Thailand and Government of Thailand

Further information: Constitutions of Thailand and Elections in Thailand

Before 1932, Thai kings were powerful rulers. In 1932, a peaceful change began, leading to a constitutional monarchy. Since then, Thailand has had many changes in government, including times when leaders were chosen by voting and times when military leaders took control.

Today, Thailand’s government has three parts: a law-making group called the National Assembly, a group that carries out the laws led by the Prime Minister, and a group that explains the laws called the judiciary. The King of Thailand is the head of state but mainly serves as a symbol of unity. The current king is Vajiralongkorn, who has been king since 2016. The current prime minister is Anutin Charnvirakul, who has served since 2025.

Main articles: Organization of the government of Thailand, Provinces of Thailand, and Administrative Divisions of Thailand

See also: Regions of Thailand

Thailand is divided into 76 provinces, each governed by leaders chosen by the central government. The capital, Bangkok, is treated like a province. These provinces are further divided into smaller areas called districts.

Main article: Foreign relations of Thailand

Thailand has built relationships with many countries. During the Cold War, it worked closely with the United States to support against the spread of communism. Today, Thailand is an active member of groups like the Association of Southeast Asian Nations (ASEAN) and works to support peace and cooperation in the region.

Main article: Royal Thai Armed Forces

Thailand’s military includes an army, navy, and air force. The king is the official head of the military, but real control is handled by leaders chosen by the government. The military also helps with tasks like protecting refugees and supporting peace efforts around the world.

Economy

Main article: Economy of Thailand

Thailand's economy relies heavily on exports, which make up more than two-thirds of its gross domestic product (GDP). The country exports over US$105 billion worth of goods and services each year. Key exports include cars, computers, electrical appliances, rice, textiles, footwear, fishery products, rubber, and jewellery.

Thailand is an emerging economy and is considered a newly industrialised country. In 2017, Thailand's GDP was US$1.236 trillion, making it the second largest economy in Southeast Asia after Indonesia. The country faces challenges such as low productivity, high household debt, and slow economic growth. However, tourism plays a significant role in the economy, contributing about 6% of GDP and attracting millions of visitors each year.

Infrastructure

Transportation

Main articles: Transport in Thailand and List of airports in Thailand

Thailand has an extensive transportation system. The State Railway of Thailand runs the country's national rail lines, with major terminals like Krung Thep Aphiwat Central Terminal and Bangkok (Hua Lamphong). Bangkok also has several rapid transit systems, including the BTS Skytrain, MRT, SRT Red Lines, and the Airport Rail Link.

The country has many highways and roads, with millions of vehicles, including motorbikes and taxis. There are also many airports, with Suvarnabhumi Airport in Bangkok being the busiest.

Energy

Further information: Energy in Thailand

Thailand gets most of its electricity from natural gas, with coal, biomass, hydro, and biogas making up the rest. The government has plans to increase renewable energy use in the coming years.

Demographics

Main article: Demographics of Thailand

Thailand is a country with a rich mix of people. As of 2025, its population was about 66 million. Most people living in Thailand are Thai, making up nearly 98% of the population. Other groups include the Burmese and smaller groups of people from various backgrounds.

The country has seen its population grow slowly in recent years. Many Thais live in rural areas, especially where rice is grown. However, more people are moving to cities. Over time, the government has encouraged families to have fewer children, which has helped control population growth. Today, Thailand has an aging population, with many people over 60 years old, which brings economic challenges. The country also has slightly more males than females and a low birth rate, ranking among the lowest in the world.

Culture

Main article: Culture of Thailand

Thai culture and traditions have been shaped by influences from India, China, Cambodia, and other parts of Southeast Asia. A key part of Thai identity is Theravada Buddhism, which has been central to the country’s spiritual and daily life. This form of Buddhism grew from ancient roots in the Mon kingdom and includes local beliefs like Hinduism, animism, and ancestor worship.

The Thai people trace their origins to groups who moved from southern China, bringing their language and customs. Over time, they mixed with local groups and formed a unified identity, especially under leaders like King Ramkhamhaeng. Today, respect for elders and those in positions of authority is very important, shown through greetings like the wai and other customs.

Art

Main article: Thai art

Thai art is deeply connected to Buddhism and stories from ancient Indian texts. Traditional sculptures and paintings often show Buddha images and scenes from religious stories. Over time, Thai artists developed their own styles, blending influences from nearby cultures. Paintings usually showed important subjects without using perspective until Western styles were introduced in the 1800s.

Architecture

Main article: Architecture of Thailand

Thai temples, called wats, are important buildings that show the country’s artistic style. These temples have walls that separate the sacred spaces from the outside world and come in many designs, all following certain rules.

Literature

Main article: Thai literature

Thai literature has a long history, with early works told in spoken and written forms. Important books include stories from ancient kings and religious texts. Over the centuries, new ways of writing poetry and stories developed, with many focusing on wars, myths, and everyday life.

Music and dance

Main articles: Music of Thailand and Dance in Thailand

Thailand has many traditional dances and music styles. Classical dances like Khon and Lakhon nai were once performed only for royalty but later became popular among everyone. Other forms include folk dances and performances linked to Muay Thai fights.

Media

Main articles: Mass media in Thailand, Censorship in Thailand, Cinema of Thailand, and Thai television soap opera

Thai movies and television dramas are enjoyed both locally and internationally. Films like Bad Genius and Shutter have gained attention around the world. Thailand’s entertainment industry adds billions to the country’s economy and has produced many popular artists.

Cuisine

Further information: Thai cuisine

Thai food is famous worldwide for its bold flavors. Common ingredients include garlic, lemongrass, lime leaves, and coconut milk. Different regions have their own specialties, such as green curry from the central area and pad Thai from the south. Rice is a staple part of almost every meal, and Thailand is one of the world’s largest rice exporters.

Sports

Main article: Sport in Thailand

See also: Thailand at the Olympics, Rugby union in Thailand, Golf in Thailand, Football in Thailand, and List of sporting events held in Thailand

Muay Thai, often called Thai boxing, is a popular combat sport that combines punching, kicking, and clinching. Football (soccer) is now the most followed sport in the country. Other popular sports include volleyball, takraw (a game played with a rattan ball using only feet and head), and golf, with many world-class courses found across Thailand.