Thailand has EOI relations with 46 countries through 47 treaties.
| Treaty Type | |
| Sum | 47 |
| DTC | 46 |
| FATCA | 1 |
| Jurisdiction | Type | Treaty | Signed | Entered into force | Exchange of Information | |
|---|---|---|---|---|---|---|
| Australia | DTC | DTC AU TH | Aug. 31, 1989 | Dec. 27, 1989 | Uncertain | |
| Austria | DTC | DTC AT TH | May 8, 1985 | July 1, 1986 | Uncertain | |
| Belgium | DTC | DTC BE TH | Oct. 16, 1978 | Dec. 28, 1980 | Uncertain | |
| Canada | DTC | DTC CA TH | April 11, 1984 | July 16, 1985 | Uncertain | |
| Chile | DTC | DTC CL TH | Sept. 8, 2006 | May 5, 2010 | Uncertain | |
| China | DTC | DTC CN TH | Oct. 27, 1986 | Dec. 29, 1986 | Uncertain | |
| Cyprus | DTC | DTC CY TH | Oct. 27, 1998 | April 4, 2000 | Uncertain | |
| Czech Republic | DTC | DTC CZ TH | Feb. 12, 1994 | Aug. 14, 1995 | Uncertain | |
| Denmark | DTC | DTC DK TH | Feb. 23, 1998 | Feb. 11, 1999 | Uncertain | |
| Estonia | DTC | DTC EE TH | Oct. 25, 2012 | Dec. 23, 2013 | Uncertain | |
| Finland | DTC | DTC FI TH | April 25, 1985 | March 28, 1986 | Uncertain | |
| France | DTC | DTC FR TH | Dec. 27, 1974 | Aug. 29, 1975 | Uncertain | |
| Germany | DTC | DTC DE TH | July 10, 1967 | Dec. 4, 1968 | Uncertain | |
| Hong Kong | DTC | DTC HK TH | Sept. 7, 2005 | Dec. 7, 2005 | Uncertain | |
| Hungary | DTC | DTC HU TH | May 18, 1989 | Jan. 1, 1990 | Uncertain | |
| India | DTC | DTC IN TH | March 22, 1985 | March 13, 1986 | Uncertain | |
| Indonesia | DTC | DTC ID TH | June 15, 2001 | Oct. 23, 2003 | Uncertain | |
| Ireland | DTC | DTC IE TH | Nov. 5, 2013 | May 11, 2015 | Uncertain | |
| Israel | DTC | DTC IL TH | Jan. 22, 1996 | Jan. 1, 1997 | Uncertain | |
| Italy | DTC | DTC IT TH | Dec. 22, 1977 | May 31, 1980 | Uncertain | |
| Japan | DTC | DTC JP TH | April 7, 1990 | Aug. 31, 1990 | Uncertain | |
| Kuwait | DTC | DTC KW TH | July 29, 2003 | April 25, 2006 | Uncertain | |
| Luxembourg | DTC | DTC LU TH | May 6, 1996 | July 22, 1998 | Uncertain | |
| Malaysia | DTC | DTC MY TH | March 29, 1982 | Feb. 2, 1983 | Uncertain | |
| Mauritius | DTC | DTC MU TH | Oct. 1, 1997 | June 10, 1998 | Uncertain | |
| Netherlands | DTC | DTC NL TH | Nov. 9, 1975 | Sept. 6, 1976 | Uncertain | |
| New Zealand | DTC | DTC NZ TH | Oct. 22, 1998 | Dec. 14, 1998 | Uncertain | |
| Norway | DTC | DTC NO TH | July 30, 2003 | Dec. 29, 2003 | Uncertain | |
| Pakistan | DTC | DTC PK TH | Aug. 14, 1980 | Jan. 7, 1981 | Uncertain | |
| Philippines | DTC | DTC PH TH | June 21, 2013 | No | Uncertain | |
| Poland | DTC | DTC PL TH | Dec. 8, 1978 | Jan. 1, 1983 | Uncertain | |
| Romania | DTC | DTC RO TH | June 26, 1996 | April 3, 1997 | Uncertain | |
| Russia | DTC | DTC RU TH | Sept. 23, 1999 | Jan. 1, 2010 | Uncertain | |
| Seychelles | DTC | DTC SC TH | April 26, 2001 | April 14, 2006 | Uncertain | |
| Singapore | DTC | DTC SG TH | Sept. 15, 1975 | April 27, 1976 | Uncertain | |
| Slovenia | DTC | DTC SI TH | July 11, 2003 | May 4, 2004 | Uncertain | |
| South Africa | DTC | DTC TH ZA | Feb. 12, 1996 | June 15, 2007 | Uncertain | |
| South Korea | DTC | DTC KR TH | Nov. 16, 2006 | June 29, 2007 | Uncertain | |
| Spain | DTC | DTC ES TH | Oct. 14, 1997 | Sept. 16, 1998 | Uncertain | |
| Sweden | DTC | DTC SE TH | Oct. 19, 1988 | Sept. 26, 1989 | Uncertain | |
| Switzerland | DTC | DTC CH TH | Feb. 12, 1996 | Dec. 19, 1996 | Uncertain | |
| Turkey | DTC | DTC TH TR | April 11, 2002 | Jan. 13, 2005 | Uncertain | |
| Ukraine | DTC | DTC TH UA | March 10, 2004 | Nov. 24, 2004 | Uncertain | |
| United Arab Emirates | DTC | DTC AE TH | March 1, 2000 | Nov. 12, 2000 | Uncertain | |
| United Kingdom | DTC | DTC GB TH | Feb. 18, 1981 | Nov. 20, 1981 | Uncertain | |
| United States of America | FATCA | FATCA US TH | June 30, 2014 | Automatic | ||
| DTC | DTC TH US | Nov. 26, 1996 | Dec. 15, 1997 | Uncertain |