This list contains information on all IODE National Oceanographic Data Centres (NODCs) – as designated by the Government of these Member States – as well as IODE Associate Data Units ADUs. This page is updated annually or when the Secretariat receives information from Member States.
| Country | IOC MS since | Type (date of creation) | Verified | |
|---|---|---|---|---|
| Afghanistan | 1991 | – | – | |
| Albania | 1993 | – | – | |
| Algeria | 1965 | – | – | |
| Angola | 1982 | – | 07/06/2022 | |
| 1
LAC |
Argentina | 1961 | NODC-1974
being re-activated 2024 ADU-OBIS Node-2014 |
08/03/2024
19/8/2022 |
| 2
PAC |
Australia | 1961 | NODC- Accredited-2024
ADU-OBIS Node-2014 |
16/10/2023
19/08/2022 |
| Austria | 1964 | – | 28/08/2018 + reminder 08/2022 | |
| Azerbaijan | 1998 | – | – | |
| Bahamas | 1979 | – | – | |
| Bangladesh | 1982 | – | – | |
| Barbados | 1982 | ADU 2014
being restarted |
? | |
| 3 | Belgium | 1961 | NODC (Accredited)-2017
ADU- OBIS Node-2018 |
19/08/2022 22/03/2021 |
| Belize | 1995 | – | – | |
| 4
AFR |
Benin | 1986 | NODC-2002 | 23/08/2022 |
| 5
LAC |
Brazil | 1961 |
NODC-1971 ADU-OBIS Node-2019 |
19/08/2022 19/08/2022 |
| 6 | Bulgaria | 1969 | NODC-1985 | 16/11/2020 |
| Cabo Verde | 1984 | – | 18/09/2018+ reminder 08/2022 | |
| 7
AFR |
Cameroon | 1973 |
NODC-2001 |
16/11/2020 |
| 8 | Canada | 1961 | NODC-1963
ADU-OBIS Node-2015 |
18/08/2022
19/08/2022 |
| 9
LAC |
Chile | 1961 |
NODC-1968 |
23/08/2022 |
| 10
PAC |
China | 1961 |
NODC- Accredited-2017 |
29/08/2022 |
| 11
LAC |
Colombia | 1969 | NODC-2003
ADU- OBIS Node-2015 |
12/07/2022 19/08/2022 |
| Comoros | 2000 | NODC-2001 | 13/06/2016+ reminder 08/2022 | |
| Congo (Democratic Republic of) | 2010 | – | 21/06/2022 | |
| Congo (Republic of) | 1962 | – | – | |
| Cook Islands | 2006 | – | – | |
| Costa Rica | 1975 | – | 15/06/2021 | |
| 12 | Cote d’Ivoire | 1961 | NODC | 19/08/2022 |
| 13 | Croatia | 1992 | NODC-2013 | 24/08/2022 |
| Cuba | 1961 | – | – | |
| 14 | Cyprus | 1977 | NODC-1997 | 31/08/2022 |
| Czech Republic | 2005 | – | – | |
| 15 | Denmark | 1961 | NODC -1997 (closed)
ADU-2014 |
no contact 23/08/2022 |
| Djibouti | 2006 | – | – | |
| Dominica | 1996 | – | – | |
| Dominican Republic | 1961 | – | 23/08/2022 | |
| 16
LAC |
Ecuador | 1961 |
NODC-1975 ADU- OBIS Node (CPPS)-2017 ADU-2018 |
13/06/2022 19/08/2022 31/08/2018
|
| 17 | Egypt | 1971 | NODC -reestablished 2024 | 20/03/2024 |
| El Salvador | – | – | 24/08/2021 | |
| Eritrea | 1993 | – | – | |
| Estonia | 1992 | – | 27/06/2022 | |
| Ethiopia | 1976 | – | – | |
| Fiji | 1974 | – | – | |
| Finland | 1961 | DNA-1960 no longer active | 27/06/2022 | |
| 18 | France | 1961 |
Accredited NODC- 2017 NODC – 1971 |
16/11/2020 |
| Gabon | 1977 | – | 06/09/2018- reminder 08/2022 | |
| Gambia | 1985 | – | – | |
| 19 | Georgia | ? | ADU – 2014 | 20/08/2022 |
| 20 | Germany | 1961 | NODC-1967
ADU- OBIS (deep sea)-2022 |
16/11/2020 19/8/2022 |
| 21
AFR |
Ghana | 1961 | NODC- 2001
uncertain if still operational |
29/08/2022 |
| 22 | Greece | 1964 | NODC-1986
ADU-OBIs Node (Mediterranean)-2014 |
16/11/2020
19/08/2022 |
| Grenada | 2009 | – | – | |
| Guatemala | 1967 | – | – | |
| 23
AFR |
Guinea | 1982 | NODC-1990 | 16/11/2020 |
| Guinea-Bissau | 1984 | – | – | |
| Guyana | 1977 | – | – | |
| Haiti | 1976 | – | – | |
| Honduras | 2012 | – | – | |
| 24 | Iceland | 1964 | –
ADU – OBIS Node (Arctic)-2015 |
09/04/2024- reminder 08/2022 19//08/2022 |
| 25 | India | 1961 | NODC1964-2004: NIO
2004-… INCOIS ADu OBIS node (IndOBIS)- 2022 |
07/06/2022 19/08/2022
|
| 26
PAC |
Indonesia | ? | NODC-2014
ADu-OBIS Node -2018 |
31/08/2018-reminder 08/2022- mail not working 19/08/2022 |
| 27 | Iran (Islamic Republic of) | 1975 | NODC(Accredited)- 2017
OBIS NODE -1995 |
13/07/2022 |
| 28 | Iraq | 1971 | ADU-2015 | 19/08/2022 |
| 29 | Ireland | 1978 | NODC (Accredited)-2018
NODC -1993 ADU-2015- OBIS (OPI) |
08/03/2024
19/08/2022 |
| 30 | Israel | 1961 | NODC-2011 | 14/06/2016 |
| 31 | Italy | 1961 | ? | ? |
| 32 | Jamaica | 1969 | ADU – 2021 | 19/08/2022 |
| 33
PAC |
Japan | 1961 | NODC(Accredited)- 2018
ADu-OBIS Node -2015 |
28/04/2022
19/08/2022 |
| Jordan | 1975 | – | – | |
| 34 | Kazachstan | 2005 | NODC | 01/09/2022 |
| 35
AFR |
Kenya | 1973 | NODC
OBIS NODE |
01/09/2022
24/08/2022 |
| Kiribati | 2012 | – | – | |
| Korea (Democratic People’s Republic of) | 1978 | NODC – inactive since 2017 | 14/07/2017 | |
| 36
PAC |
Korea (Republic of) | 1961 | NODC -1974
NODC (Accredited)-2017 ADU-2023 |
12/01/2017- reminder 08 /2022
06/09/2023 |
| 37 | Kuwait | 1974 | ADU-2021 | 22/10/2021 |
| Lebanon | 1964 | – | – | |
| Libya | 1974 | – | – | |
| 38
AFR |
Madagascar | 1967 | NODC | 19/08/2022 |
| 39
PAC |
Malaysia | 1965 | NODC
Accredited ADU- 2018 |
02/08/2022
19/08/2022 |
| Maldives | 1987 | – | – | |
| Malta | 1971 | – | 08/11/2016- reminder 08/2022 | |
| 40
AFR |
Mauritania | 1961 | NODC | 14/09/2016- reminder 08/2022 |
| 41
AFR-SIDS |
Mauritius | 1971 | NODC | 16/11/2020 |
| 42
LAC |
Mexico | 1961 | NODC
ADU-2022 |
07/06/2022
20/06/2022 |
| Monaco | 1961 | – | – | |
| Montenegro | 2011 | – | – | |
| Morocco | 1961 | – | 14/06/2022 | |
| 43
AFR |
Mozambique | 1981 | NODC | 16/11/2020 |
| Myanmar | 1988 | – | – | |
| 44
AFR |
Namibia | 2001 | ADU | 18/09/2023 |
| Nauru | 2016 | – | – | |
| 45 | Netherlands | 1961 | NODC | 24/08/2022 |
| New Zealand | 1962 | – | 16/11/2020 | |
| Nicaragua | 1977 | – | – | |
| 46
AFR |
Nigeria | 1973 | NODC-1990 | 18/08/2022 |
| Niue | 2011 | – | – | |
| 47 | Norway | 1961 | NODC-1972
NODC(Accredited)- 2023 ADU-2021 |
07/02/2023
25/09/2021 |
| Oman | 1982 | – | 16/06/2016- reminder 08/2022 | |
| 48 | Pakistan | 1961 | NODC-1981 | 08/03/2024 |
| Palau | 2014 | – | – | |
| 49 | Panama | 1969 | NODC-2021 | 08/03/2024 |
| Papua New Guinea | 2006 | – | – | |
| 50 | Peru | 1967 | NODC-1984 | 20/08/2022 |
| 51 | Philippines | 1964 | ADU-2014
OBIS Node-2018 |
19/08/2022 |
| 52 | Poland | 1961 | NODC – Oct 2025 | 29/10/2025 |
| 53 | Portugal | 1971 | NODC (2) | 08/03/2024 |
| Qatar | – | – | – | |
| 54 | Romania | 1961 | NODC-2007 | 08/03/2024 |
| 55 | Russian Federation | 1961 | NODC-1964 | 16/11/2020 |
| Saint Kitts and Nevis | 2011 | – | – | |
| Saint Lucia | 1992 | – | – | |
| Saint Vincent and the Grenadines | 2013 | – | – | |
| Samoa | 1978 | – | – | |
| Saudi Arabia | 1978 | – | – | |
| 56 | Senegal | 1969 | NODC
OBIS Node – 2002 |
18/08/2022 |
| Serbia | 2005 | – | – | |
| 57 | Seychelles | 1979 | NODC-1997 | 14/06/2016 |
| Sierra Leone | 1974 | – | – | |
| Singapore | 1967 | – | – | |
| 58 | Slovenia | 1994 | NODC-2004 | 08/03/2024 |
| Solomon Islands | 1982 | – | – | |
| Somalia | 1974 | – | – | |
| 59 | South Africa | 1969 | NODC-1977
ADU(accredited) OBIS Node |
08/03/2024 |
| 60 | Spain | 1961 | NODC-1968
ADU-2018 |
08/03/2024 |
| Sri Lanka | 1977 | NODC-1996- no longer operational | 2022 | |
| Sudan | 1974 | – | – | |
| Suriname | 1977 | – | – | |
| 61 | Sweden | 1965 | NODC-2017 | 08/03/2024 |
| Switzerland | 1961 | – | – | |
| Syrian Arab Republic | 1971 | – | – | |
| 62 | Tanzania (United Republic of) | 1969 | NODC-2002 | 19/08/2022 |
| Thailand | 1961 | – | – | |
| Timor-Leste | 2005 | – | – | |
| Togo | 1975 | NODC-2001- closed | 27/11/2023 | |
| Tonga | 1974 | – | – | |
| Trinidad and Tobago | 1969 | – | – | |
| 63 | Tunisia | 1961 | NODC-2001 | 28/03/2024 |
| 64 | Türkiye (Republic of) | 1962 | NODC-1993 | 24/08/2022 |
| Tuvalu | 2011 | – | – | |
| 65 | Ukraine | 1962 | NODC-2008-closed
NODC-2013-closed NODC-2019 ADU-2014 OBIS Node |
08/03/2024 |
| United Arab Emirates | 1976 | – | – | |
| 66 | United Kingdom (of Great Britain and Northern Ireland) | 1961 | NODC(accredited)-2017
ADU- OBIS Node (SCAR)-2016 ADU-OBIS Node (UK)-2018 ADU-MEDIN-2022 ADU-CEFAS-2020 |
13/10/2021
19/08/2022 30/06/2020 |
| 67 | United States (of America) | 1961 | ADU-2013
ADU-OBIS Node (USA)-2016 ADU-OBIS Node (SEAMAP)-2017 ADU-OBIS (Fish)-2018 |
10/04/2014
19/08/2022 |
| Uruguay | 1961 | NODC-1986-inactive | 21/09/2021 | |
| Venezuela (Bolivarian Republic of) | 1964 | NODC-1985-inactive | 19/08/2022 | |
| Viet Nam | 1961 | – | – | |
| Yemen | 1960 | – | – |