Thailand Flag
National Flag of Thailand
Thailand Flag Display

Quick Facts About Thailand and Thailand Flag
- Adopted:
- Aspect Ratio:
- 2:3
- Capital:
- Bangkok
- Population:
- Approximately 70 million (2023)
Thailand Flag Description
Thailand’s flag, known as the Tricolor or ‘Thong Trairong’, features five horizontal stripes—red, white, blue (double width), white, red—representing the nation, Buddhism, and the monarchy.
Symbolism & Meaning of the Thailand Flag
Red denotes the nation and bloodshed in defense; white signifies Buddhism and purity; dark blue is the colour of the monarchy and solidarity with WWI Allies.([turn0search36], [turn0search26])
Historical Background of the Thailand Flag
From a plain red banner in 17th century Ayutthaya, Thailand evolved through designs with chakras and elephants. In 1917, King Rama VI introduced the symmetric red-white-blue design for easier recognition and reflection of Allied Colours.([turn0search6], [turn0search26], [turn0search48])
Design Elements of the Thailand Flag
Five horizontal stripes: red (2), white (2), blue (double width central stripe). Ratios: 1:1:2:1:1. Design codified under Flag Act B.E.2460 (1979). Pantone and proportions are officially defined.([turn0search26])
Usage & Protocol of the Thailand Flag
The flag is displayed on government buildings and ceremonial events, used with Thai royal flags, flown sunrise to sunset, and lowered at sunset unless illuminated; desecration is punishable by law. Endorsement of Buddhist symbolism underlines religion's significance.([turn0search49])
Frequently Asked Questions
What do the colors of the Thailand Flag represent?
Red denotes the nation and bloodshed in defense; white signifies Buddhism and purity; dark blue is the colour of the monarchy and solidarity with WWI Allies.([turn0search36], [turn0search26])
When was the Thailand Flag adopted?
The Thailand flag was adopted on 28 September 1917, marking an important milestone in the country's development as an independent nation.
What is the aspect ratio of the Thailand Flag?
The Thailand flag has an aspect ratio of 2:3, which determines the proportional relationship between its width and height for official display purposes.