| Member States | DESY | CERN | Elsewhere | Total | |
|---|---|---|---|---|---|
| 1976 | U.K. | 2 | 3 | ||
| 1977 | U.K. | 1 | 2 | 4 | |
| 1978 | 5 | 5 | |||
| 1979 | Switzerland | 2 | 3 | ||
| 1980 | Finland | 4 | 5 | ||
| 1981 | Sweden | 5 | 6 | ||
| 1982 | Netherlands | 1 | 3 | 5 | |
| 1983 | Greece Italy Spain |
1 | 2 | 6 | |
| 1984 | France | 5 | 6 | ||
| 1985 | Denmark France U.K. |
3 | 6 | ||
| 1986 | Germany Switzerland |
3 | 5 | ||
| 1987 | Sweden | 4 | 5 | ||
| 1988 | Belgium Portugal |
3 | 5 | ||
| 1989 | Norway | 1 | 4 | 6 | |
| 1990 | Austria Netherlands |
3 | 5 | ||
| 1991 | Finland Greece Italy |
2 | 5 | ||
| 1992 | Poland Spain |
1 | 2 | 5 | |
| 1993 | Denmark France Hungary |
2 | 5 | ||
| 1994 | Czech Republic France Germany U.K. |
1 | 5 | ||
| 1995 | Portugal Sweden Switzerland |
1 | 1 | 5 | |
| 1996 | Belgium Greece Norway |
2 | 5 | ||
| 1997 | Austria Finland Slovakia Spain |
1 | 1 | 6 | |
| 1998 | Italy Netherlands Poland |
2 | 5 | ||
| 1999 | Denmark France Hungary |
1 | 1 | 5 | |
| 2000 | Czech Republic Germany U.K. |
1 | 1 | 5 | |
| 2001 | Greece Portugal Sweden |
1 | Plenary ECFA: EPS Conference (Budapest) | 5 | |
| 2002 | Bulgaria Norway Switzerland |
1 | 1 | 5 | |
| 2003 | Belgium Finland Spain |
2 | 5 | ||
| 2004 | Austria Italy Slovakia |
1 | 1 | 5 | |
| 2005 | Netherlands Poland |
2 | Restricted ECFA: Israel | 5 | |
| 2006 | Denmark France Hungary |
1 | 1 | 5 | |
| 2007 | Czech Republic Germany U.K. |
1 | Plenary ECFA: EPS Conference (Manchester) | 5 | |
| 2008 | Greece Portugal Sweden |
1 | 1 | 5 | |
| 2009 | Norway Switzerland |
1 | Resctricted ECFA:Russian Federation Plenary ECFA: EPS Conference (Cracow) |
5 | |
| 2010 | Belgium Bulgaria Finland |
1 | Restricted and Plenary ECFA: Frascati | 5 | |
| 2011 | Austria Slovakia Spain |
1 | Plenary ECFA at EPS-ICHEP Conference (Grenoble) Restricted ECFA: Romania |
6 | |
| 2012 | Italy Netherlands Poland Serbia |
1 | Restricted and Plenay ECFA: PSI | 6 | |
| 2013 | France Denmark Hungary |
1 | Plenary ECFA - EPS (Stockholm) | 5 | |
| 2014 | Israel Germany U.K. |
1 | 1 | 5 | |
| 2015 | Czech Republic Portugal Norway |
1 | Plenary ECFA - EPS (Vienna) | 5 | |
| 2016 | Switzerland Sweden |
1 | Restricted and Plenary ECFA - LNGS | 4 | |
| 2017 | Bulgaria Belgium Finland Turnek |
1 | Restricted and Plenary ECFA/EPS-HEPP (Venezia) | 6 | |
| 2018 | Romania Austria Slovakia The Netherlands |
1 |
Restricted and Plenary ECFA/EPS-HEPPR - Ghent, Belgium |
6 | |
| 2019 | Spain Slovania Poland Cyprus |
1 | Restricted and Plenary ECFA/ALBA - Barcelona, Spain | 6 | |
| 2020 | All country visits (Serbia, France, Ukraine) were cancelled due to the Covid-19 pandemic Closed Sessions were held remotely, by video-conference |
6 | |||
| 2021 | France Denmark |
2 | 4 | ||
| 2022 | Italy Germany Hungary Israel |
2 | ECFA-NuPECC-APPEC Seminar (JENAS) - Madrid, Spain | 7 | |
| 2023 | Czech Republic Norway Portugal Greece |
1 | Plenary ECFA meeting EPS conference - Hamburg, Germany | 6 |
ECFA Meetings and locations