Aruba has EOI relations with 81 countries through 30 treaties.
| Treaty Type | |
| Sum | 30 |
| DTC | 3 |
| Multilateral | 1 |
| TIEA | 26 |
| Jurisdiction | Type | Treaty | Signed | Entered into force | Exchange of Information | |
|---|---|---|---|---|---|---|
| Albania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Andorra | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Anguilla | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Antigua and Barbuda | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AG AW | Aug. 30, 2010 | Dec. 1, 2013 | On Request | ||
| Argentina | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AR AW | Sept. 30, 2013 | May 31, 2014 | On Request | ||
| Australia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AU AW | Dec. 16, 2009 | Aug. 17, 2011 | On Request | ||
| Austria | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Bahamas | TIEA | TIEA AW BS | Aug. 8, 2011 | Oct. 1, 2012 | On Request | |
| Barbados | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Belgium | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW BE | April 24, 2014 | No | On Request | ||
| Belize | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Bermuda | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW BM | Oct. 20, 2009 | Dec. 1, 2011 | On Request | ||
| Bulgaria | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Canada | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AW CA | Oct. 20, 2011 | June 1, 2012 | On Request | ||
| Cayman Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW KY | April 20, 2010 | Dec. 1, 2011 | On Request | ||
| Chile | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| China | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Colombia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Cook Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Costa Rica | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Croatia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Curaçao | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| DTC | DTC AW CW | Oct. 28, 1964 | Jan. 1, 1965 | Uncertain | ||
| Cyprus | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Czech Republic | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW CZ | June 29, 2015 | No | On Request | ||
| Denmark | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW DK | Sept. 10, 2009 | June 1, 2011 | On Request | ||
| Estonia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Faroe Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW FO | Sept. 10, 2009 | Oct. 1, 2011 | On Request | ||
| Finland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW FI | Sept. 10, 2009 | June 1, 2011 | On Request | ||
| France | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW FR | Nov. 14, 2011 | April 1, 2013 | On Request | ||
| Germany | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Ghana | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Gibraltar | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Greece | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Greenland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW GL | Sept. 10, 2009 | May 1, 2012 | On Request | ||
| Grenada | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AW GD | June 21, 2012 | No | On Request | ||
| Guernsey | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Hungary | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Iceland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW IS | Sept. 10, 2009 | Jan. 1, 2012 | On Request | ||
| India | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Indonesia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Ireland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Isle of Man | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Italy | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Japan | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Jersey | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Latvia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Liechtenstein | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Lithuania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Luxembourg | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Malaysia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Malta | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Marshall Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Mauritius | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Mexico | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW MX | July 18, 2013 | Sept. 1, 2014 | On Request | ||
| Monaco | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Montserrat | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Netherlands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| DTC | DTC AW NL | Oct. 28, 1964 | Jan. 1, 1965 | Uncertain | ||
| New Zealand | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Niue | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Norway | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW NO | Sept. 10, 2009 | Aug. 1, 2011 | On Request | ||
| Poland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Portugal | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Romania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Saint Kitts and Nevis | TIEA | TIEA AW KN | Sept. 11, 2009 | Oct. 19, 2011 | On Request | |
| Saint Lucia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AW LC | May 10, 2010 | Jan. 1, 2012 | On Request | ||
| Saint Vincent and the Grenadines | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AW VC | Sept. 1, 2009 | Oct. 20, 2011 | On Request | ||
| Samoa | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| San Marino | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Seychelles | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Sint Maarten (Dutch part) | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| DTC | DTC AW SX | Oct. 28, 1964 | Jan. 1, 1965 | Uncertain | ||
| Slovakia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Slovenia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| South Africa | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| South Korea | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Spain | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW ES | Nov. 24, 2008 | Jan. 27, 2010 | On Request | ||
| Sweden | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW SE | Sept. 10, 2009 | June 2, 2011 | On Request | ||
| Switzerland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Turks and Caicos Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| United Kingdom | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW GB | Nov. 5, 2010 | Jan. 1, 2012 | On Request | ||
| United States of America | TIEA | TIEA AW US | Nov. 21, 2003 | Sept. 13, 2004 | On Request | |
| Virgin Islands (British) | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA AW VG | Sept. 11, 2009 | July 1, 2013 | On Request |