| 2020 |
20th WCNDT
Seoul, Korea
8-12 June
|
|
- |
- |
- |
| 2019 |
- |
|
- |
VII PANNDT
Mexico
|
- |
| 2018 |
- |
12th ECNDT
Gothenburg, Sweden
11 - 15 June
|
- |
- |
- |
| 2017 |
- |
- |
15th APCNDT
Singapore
13 - 17 November |
- |
- |
| 2016 |
19thWCNDT
Munich, Germany
13 - 17 June |
- |
- |
- |
ACNDT 2016
Oran, Algeria
26 - 28 November |
| 2015 |
- |
- |
- |
VI PANNDT
Cartagena
Colombia
12-14 August
|
- |
| 2014 |
- |
11th ECNDT
Prague
Czech Republic
6-10 October
|
- |
- |
- |
| 2013 |
- |
- |
14th APCNDT
Mumbai, India
18-22 November
|
- |
- |
| 2012 |
18th WCNDT
Durban, South Africa
16-20 April |
- |
- |
- |
- |
| 2011 |
- |
- |
- |
V PANNDT
Cancun, Mexico
2-6 October |
- |
| 2010 |
- |
10th ECNDT
Russia
7-11 June |
- |
- |
6th ACNDT
Ghana
postponed
|
| 2009 |
- |
- |
13th APCNDT
Japan
8-13 Nov |
- |
- |
| 2008 |
Shanghai, China
27-31 Aug |
- |
- |
- |
- |
| 2007 |
- |
- |
- |
Buenos Aires, Agentina
22-26 Oct |
Tunisia
March
|
| 2006 |
- |
Berlin, Germany
25-29 Sept |
Auckland, New Zealand
5-10 Nov |
- |
Cairo, Egypt
11-13 Feb |