The World Congress is the supreme organ of the World Federation, which consists of the representatives of WFUCA’s Members. It meets every four years.
The World Congress determines the General Rules and the guidelines of work of the Organization. Its duty is to set the programmes and the budget of WFUCA. It also elects the Members of the Executive Board and the President.
List of the World Congress of WFUCA
| No. | Session | Date | Venue | Documents |
| 1 | The 1st Ordinary World Congress | 1984 | Japan | |
| 2 | The 2nd Ordinary World Congress | 1987 | Spain | |
| 3 | The 3rd Ordinary World Congress | 1991 | Senegal | |
| 4 | The 4th Ordinary World Congress | 1995 | Romania | |
| 5 | The 5th Ordinary World Congress | 1999 | Russia | |
| 6 | The 6th Ordinary World Congress | 2003 | Cyprus | |
| 7 | The Extraordinary World Congress | 2005 | France | |
| 8 | The 7th Ordinary World Congress | 2007 | Greece | |
| 9 | The 8th Ordinary World Congress | 2011 | Vietnam | |
| 10 | The 9th Ordinary World Congress | 2015 | China |