Costa Rica has EOI relations with 95 countries through 28 treaties.
| Treaty Type | |
| Sum | 28 |
| DTC | 3 |
| FATCA | 1 |
| Multilateral | 2 |
| TIEA | 22 |
| Jurisdiction | Type | Treaty | Signed | Entered into force | Exchange of Information | |
|---|---|---|---|---|---|---|
| Albania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2013 | Dec. 1, 2013 | On Request | ||
| Andorra | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Anguilla | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| Antigua and Barbuda | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Argentina | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Jan. 1, 2013 | Jan. 1, 2013 | On Request | ||
| TIEA | TIEA AR CR | Nov. 23, 2009 | July 12, 2012 | On Request | ||
| Aruba | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Australia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AU CR | July 1, 2011 | Dec. 13, 2012 | On Request | ||
| Multilateral | MCON-Amend | Dec. 1, 2012 | Dec. 1, 2012 | On Request | ||
| Austria | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2014 | Dec. 1, 2014 | On Request | ||
| Azerbaijan | Multilateral | MCON-Amend | Sept. 1, 2015 | Sept. 1, 2015 | On Request | |
| Barbados | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Belgium | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | April 1, 2015 | April 1, 2015 | On Request | ||
| Belize | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Bermuda | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Bulgaria | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | July 1, 2016 | July 1, 2016 | On Request | ||
| Cameroon | Multilateral | MCON-Amend | June 30, 2015 | June 30, 2015 | On Request | |
| Canada | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Nov. 21, 2013 | Nov. 21, 2013 | On Request | ||
| TIEA | TIEA CA CR | Aug. 11, 2011 | Aug. 14, 2012 | On Request | ||
| Cayman Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Jan. 1, 2014 | Jan. 1, 2014 | On Request | ||
| Chile | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| China | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Feb. 1, 2016 | Feb. 1, 2016 | On Request | ||
| Colombia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | July 1, 2014 | July 1, 2014 | On Request | ||
| Cook Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Croatia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2014 | June 1, 2014 | On Request | ||
| Curaçao | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Cyprus | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | April 1, 2015 | April 1, 2015 | On Request | ||
| Czech Republic | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Feb. 1, 2014 | Feb. 1, 2014 | On Request | ||
| Denmark | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| TIEA | TIEA CR DK | June 29, 2011 | No | On Request | ||
| Ecuador | TIEA | TIEA CR EC | June 4, 2013 | No | On Request | |
| El Salvador | TIEA | TIEA CR SV | April 25, 2006 | Aug. 30, 2012 | On Request | |
| Estonia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Faroe Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| TIEA | TIEA CR FO | June 29, 2011 | No | On Request | ||
| Finland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA CR FI | June 29, 2011 | Jan. 1, 2015 | On Request | ||
| Multilateral | MCON-Amend | Dec. 21, 2010 | Dec. 21, 2010 | On Request | ||
| France | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | April 1, 2012 | April 1, 2012 | On Request | ||
| TIEA | TIEA CR FR | Dec. 16, 2010 | Dec. 14, 2011 | On Request | ||
| Georgia | Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | |
| Germany | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2015 | Dec. 1, 2015 | On Request | ||
| DTC | DTC CR DE | Feb. 13, 2014 | No | Uncertain | ||
| Ghana | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Gibraltar | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Greece | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Greenland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA CR GL | June 29, 2011 | No | On Request | ||
| Grenada | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Guatemala | TIEA | TIEA CR GT | April 25, 2006 | Feb. 11, 2011 | On Request | |
| Guernsey | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Aug. 1, 2014 | Aug. 1, 2014 | On Request | ||
| TIEA | TIEA CR GG | March 5, 2014 | No | On Request | ||
| Honduras | TIEA | TIEA CR HN | April 26, 2006 | Feb. 11, 2011 | On Request | |
| Hungary | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2015 | March 1, 2015 | On Request | ||
| Iceland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Feb. 1, 2012 | Feb. 1, 2012 | On Request | ||
| TIEA | TIEA CR IS | June 29, 2011 | No | On Request | ||
| India | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2012 | June 1, 2012 | On Request | ||
| Indonesia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | May 1, 2015 | May 1, 2015 | On Request | ||
| Ireland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Isle of Man | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| Italy | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | May 1, 2012 | May 1, 2012 | On Request | ||
| Japan | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2013 | Oct. 1, 2013 | On Request | ||
| Jersey | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2014 | June 1, 2014 | On Request | ||
| Kazakhstan | Multilateral | MCON-Amend | Aug. 1, 2015 | Aug. 1, 2015 | On Request | |
| Latvia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Liechtenstein | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Lithuania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2014 | June 1, 2014 | On Request | ||
| Luxembourg | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Malaysia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Malta | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Marshall Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Mauritius | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2015 | Dec. 1, 2015 | On Request | ||
| Mexico | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2012 | Sept. 1, 2012 | On Request | ||
| TIEA | TIEA CR MX | April 25, 2011 | June 26, 2012 | On Request | ||
| DTC | DTC CR MX | April 12, 2014 | No | Uncertain | ||
| Moldova | Multilateral | MCON-Amend | March 1, 2012 | March 1, 2012 | On Request | |
| Monaco | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Montserrat | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2013 | Oct. 1, 2013 | On Request | ||
| Netherlands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| TIEA | TIEA CR NL | March 29, 2011 | July 1, 2012 | On Request | ||
| New Zealand | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| Nicaragua | TIEA | TIEA CR NI | April 25, 2006 | July 9, 2011 | On Request | |
| Nigeria | Multilateral | MCON-Amend | Sept. 1, 2015 | Sept. 1, 2015 | On Request | |
| Niue | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Norway | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA CR NO | June 29, 2011 | Jan. 1, 2015 | On Request | ||
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| Poland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2011 | Oct. 1, 2011 | On Request | ||
| Portugal | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 11, 2015 | March 11, 2015 | On Request | ||
| Romania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Russia | Multilateral | MCON-Amend | July 1, 2015 | July 1, 2015 | On Request | |
| Saint Lucia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Saint Vincent and the Grenadines | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Samoa | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| San Marino | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2015 | Dec. 1, 2015 | On Request | ||
| Saudi Arabia | Multilateral | MCON-Amend | April 1, 2016 | April 1, 2016 | On Request | |
| Seychelles | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2015 | Oct. 1, 2015 | On Request | ||
| Singapore | Multilateral | MCON-Amend | May 1, 2016 | May 1, 2016 | On Request | |
| Sint Maarten (Dutch part) | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA CR SX | Oct. 27, 2012 | No | On Request | ||
| Slovakia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| Slovenia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| South Africa | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| TIEA | TIEA CR ZA | Oct. 27, 2012 | No | On Request | ||
| South Korea | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | July 1, 2012 | July 1, 2012 | On Request | ||
| Spain | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Jan. 1, 2013 | Jan. 1, 2013 | On Request | ||
| DTC | DTC CR ES | May 4, 2004 | Dec. 15, 2010 | Uncertain | ||
| Sweden | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA CR SE | June 29, 2011 | July 8, 2015 | On Request | ||
| Multilateral | MCON-Amend | Sept. 1, 2011 | Sept. 1, 2011 | On Request | ||
| Switzerland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Tunisia | Multilateral | MCON-Amend | Feb. 1, 2014 | Feb. 1, 2014 | On Request | |
| Turks and Caicos Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2013 | Dec. 1, 2013 | On Request | ||
| Ukraine | Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | |
| United Kingdom | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2011 | Oct. 1, 2011 | On Request | ||
| United States of America | FATCA | FATCA US CR | June 30, 2014 | Automatic | ||
| TIEA | TIEA CR US | March 15, 1989 | Feb. 12, 1991 | On Request | ||
| Virgin Islands (British) | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request |