El Salvador has EOI relations with 5 countries through 5 treaties.
| Treaty Type | |
| Sum | 5 |
| DTC | 1 |
| TIEA | 4 |
| Jurisdiction | Type | Treaty | Signed | Entered into force | Exchange of Information | |
|---|---|---|---|---|---|---|
| Costa Rica | TIEA | TIEA CR SV | April 25, 2006 | Aug. 30, 2012 | On Request | |
| Guatemala | TIEA | TIEA GT SV | April 25, 2006 | Aug. 30, 2012 | On Request | |
| Honduras | TIEA | TIEA HN SV | April 25, 2006 | Aug. 30, 2012 | On Request | |
| Nicaragua | TIEA | TIEA NI SV | April 25, 2006 | No | On Request | |
| Spain | DTC | DTC ES SV | July 7, 2008 | Jan. 1, 2010 | Uncertain |