Membership & Voting Status at December 2023
Please click on each country for details of Society| Member Society Country | No. of members in each society |
| Albania | 7 |
| Austria | 498 |
| Bulgaria | 140 |
| Croatia | 50 |
| Czech Republic | 80 |
| Denmark | 329 |
| France | 164 |
| Georgia | 50 |
| Germany | 6888 |
| Greece | 109 |
| Hungary | 7 |
| Israel | 100 |
| Italy | 2890 |
| Latvia | 215 |
| Lithuania | 187 |
| Moldova | 172 |
| Netherlands | 105 |
| Norway | 146 |
| Poland | 314 |
| Portugal | 233 |
| Romania | 492 |
| Russia | 397 |
| Serbia | 50 |
| Slovakia | 30 |
| Slovenia | 45 |
| Spain | 834 |
| Sweden | 27 |
| Turkey | 46 |
| United Kingdom | 1634 |
| Ukraine | 52 |
| Affiliate Member Societies at 28/10/2023 |
| Affiliate Member Society | No. of members in society |
| Switzerland | 704 |