Membership & Voting Status at 20/01/2023
Please click on each country for details of Society| Member Society Country | No. of members in each society | No. of votes |
| Albania | 7 | 2 |
| Austria | 451 | 6 |
| Bulgaria | 130 | 3 |
| Croatia | 50 | 2 |
| Czech Republic | 60 | 2 |
| Denmark | 330 | 5 |
| Georgia | 50 | 2 |
| Germany | 6437 | 66 |
| Greece | 113 | 3 |
| Hungary | 5 | 2 |
| Israel | 100 | 2 |
| Italy | 2800 | 24 |
| Latvia | 215 | 4 |
| Lithuania | 175 | 3 |
| Moldova | 172 | 3 |
| Netherlands | 105 | 3 |
| Norway | 163 | 3 |
| Poland | 304 | 5 |
| Portugal | 214 | 4 |
| Romania | 418 | 5 |
| Russia | 301 | 4 |
| Serbia | 48 | 2 |
| Slovakia | 30 | 2 |
| Slovenia | 42 | 2 |
| Spain | 685 | 8 |
| Sweden | 27 | 2 |
| Turkey | 77 | 2 |
| United Kingdom | 1611 | 18 |
| Ukraine | 52 | 2 |
| Affiliate Member Societies at 01/10/2021 |
| Affiliate Member Society | No. of members in society |
| Switzerland | 528 |
| Berlin-Bradenburg US | 35 |