Papua New Guinea has EOI relations with 9 countries through 9 treaties.
| Treaty Type | |
| Sum | 9 |
| DTC | 9 |
| Jurisdiction | Type | Treaty | Signed | Entered into force | Exchange of Information | |
|---|---|---|---|---|---|---|
| Australia | DTC | DTC AU PG | May 24, 1989 | Dec. 29, 1989 | Uncertain | |
| Canada | DTC | DTC CA PG | Oct. 16, 1987 | Dec. 21, 1989 | Uncertain | |
| China | DTC | DTC CN PG | July 14, 1994 | Aug. 16, 1995 | Uncertain | |
| Indonesia | DTC | DTC ID PG | March 12, 2010 | No | Uncertain | |
| Malaysia | DTC | DTC MY PG | May 20, 1993 | June 11, 1999 | Uncertain | |
| New Zealand | DTC | DTC NZ PG | Oct. 29, 2012 | Jan. 21, 2014 | Uncertain | |
| Singapore | DTC | DTC PG SG | Oct. 19, 1991 | Nov. 20, 1992 | Uncertain | |
| South Korea | DTC | DTC KR PG | Nov. 23, 1996 | March 21, 1998 | Uncertain | |
| United Kingdom | DTC | DTC GB PG | Sept. 17, 1991 | Dec. 20, 1991 | Uncertain |