Royal Institute of Thailand

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Royal Institute of Thailand
Agency overview
Formed March 31, 1933
Type Government agency
Jurisdiction Nationwide
Headquarters Sanam Suea Pa, Dusit District, Bangkok, Thailand, 10300
Annual budget

THB 158,454,700 (2013)[1]

• THB 163,763,100 (2014)[2]
Agency executives Prime Minister, Commander
Santhat Rotchanasunthon[3], President
Kanokwalee Chuchaiya, Secretary General
Key document Royal Institute Act, BE 2544 (2001)

The Royal Institute of Thailand (Thai: ราชบัณฑิตยสถาน; RTGS: Ratchabandittayasathan; pronounced [râːt.tɕʰā.bān.dìt.tà.já.sā.tʰǎːn]; literally "Institute of Royal Pandits"), or RIT (Thai: รถ.) in brief, is a Thai government agency having the status of department. It is an independent agency in the Executive Branch and is not subject to any other agency, but coming under the direct command of the Prime Minister of Thailand.

The chief missions of the RIT are to undertake and encourage research in every branch of knowledge beneficial to the nation and the people; to maintain relations and to exchange knowledge and information in all branches of knowledge with other learned institutes in Thailand and in other countries; and to give instructions concerning academic matters to the Council of Ministers, public agencies, state enterprises and the general public.[4]

It is most widely known for its work in language planning and regulation, and for its many publications, particularly the Royal Institute Dictionary.


The former Royal Institute building, in the Grand Palace complex, Na Phra Lan Road, Bangkok. The Royal Institute has since been relocated to Sanam Seua Pa.
Entrance to the former Royal Institute building.
A meeting room of the Royal Institute, following a meeting of the Dictionary Revision Committee.

On August 21, 2006, the Royal Institute relocated to offices at Sanam Suea Pa, near the Royal Plaza in Bangkok. Previously the Royal Institute was located in the Grand Palace complex, Na Phra Lan Road, Bangkok.


The Royal Institute was established on March 31, 1933, superseding the existent Royal Council (Thai: ราชบัณฑิตยสภา; RTGS: Ratchabandittayasapha; literally: Council of Royal Pundits).


For administrative purposes, the Royal Institute has four divisions:

The Secretariat General
The Moral and Political Sciences Division
The Science Division
The Arts Division

The Royal Institute website states that each division has a staff of civil servants and clerical employees who perform both business and academic functions facilitating the works of Fellows and Associate Fellows as well as conducting and promoting various academic activities.


Scholars from the academic community of Thailand can apply for membership in the Royal Institute. Acceptance is based on an applicant's contributions to his field and his published works. The levels of membership in the Royal Institute are:

1. Honorary Fellows (Thai ราชบัณฑิตกิตติมศักดิ์)
2. Fellows (Thai ราชบัณฑิต)
3. Associate Fellows (Thai ภาคีสมาชิก)

Of these, only the title of Associate Fellow can be applied for. Fellows are appointed by Royal Decree as senior experts in the Royal Institute within their field, chosen from among the existing Associate Fellows. Honorary Fellows are likewise appointed by Royal Decree, and are chosen from among scholars who are not already fellows of the Royal Institute. These three groups can be collectively referred to as the fellows, or members, of the Royal Institute.


Fellows of the Royal Institute are divided into three academies. Each academy is subdivided into branches, and each branch comprises several specific fields, in total 65 different academic disciplines.

The Academy of Moral and Political Sciences[edit]

The Academy of Science[edit]

The Academy of Arts[edit]


The Royal Institute Dictionary[edit]

Perhaps the most well-known work of the Royal Institute is the prescriptive Royal Institute Dictionary (พจนานุกรม ฉบับราชบัณฑิตยสถาน, in English often abbreviated RID).

The Royal Institute has published four fully revised editions of the dictionary, and many intermittent reprintings with minor revisions. Each of the major revisions is associated with a significant year in Thai history, although in the case of the 1999 and 2011 editions, the actual publication date is a later year.

Royal Thai General System of Transcription[edit]

The Royal Institute publishes the Royal Thai General System of Transcription[5] or RTGS, the official way of transcribing Thai into the Latin alphabet.


External links[edit]