| 1 |
First IIRA World Congress |
Geneva |
Switzerland |
4-8 September 1967 |
| 2 |
Second IIRA World Congress |
Geneva |
Switzerland |
1-4 September 1970 |
| 3 |
Third IIRA World Congress |
London |
United Kingdom |
3-7 September 1973 |
| 4 |
Fourth IIRA World Congress |
Geneva |
Switzerland |
6-10 September 1976 |
| 5 |
Fifth IIRA World Congress |
Paris |
France |
3-7 September 1979 |
| 6 |
Sixth IIRA World Congress |
Tokyo |
Japan |
28-31 March 1983 |
| 7 |
Seventh IIRA World Congress |
Hamburg |
Germany |
1-4 September 1986 |
| 8 |
Eighth IIRA World Congress |
Brussels |
Belgium |
4-7 September 1989 |
| 9 |
Ninth IIRA World Congress |
Sydney |
Australia |
30 August - 3 September 1992 |
| 10 |
Tenth IIRA World Congress |
Washington D.C |
United States |
31 May - 4 June 1995 |
| 11 |
Eleventh IIRA World Congress |
Bologna |
Italy |
22-26 September 1998 |
| 12 |
Twelfth IIRA World Congress |
Tokyo |
Japan |
29 May-2 June 2000 |
| 13 |
Thirteenth IIRA World Congress |
Berlin |
Germany |
8-12 September 2003 |
| 14 |
Fourteenth IIRA World Congress |
Lima |
Peru |
11-14 September 2006 |
| 15 |
Fifteenth IIRA World Congress |
Sydney |
Australia |
24-28 August 2009 |
| 16 |
Sixteenth ILERA World Congress |
Philadelphia |
USA |
2-5 July 2012 |
| 17 |
Seventeenth ILERA World Congress |
Cape Town |
South Africa |
7-11 September 2015 |
| 18 |
Eighteenth ILERA World Congress |
Seoul |
South Korea |
23-27 July 2018 |
