- Australien: Fragile X Association of Australia* (fragilex.org.au)
- Belgien: Association X fragile Belgique* (x-fragile.be)
- Canada: Fragile X Canada* https://www.fragilexcanada.ca/
- Danmark: Landsforeningen for Fragilt X Syndrom i Danmark* (fragiltx.dk )
- Finland: Frax Ry* (facebook: frax.ry)
- Frankrig: Mosaïques* (xfragile.org)
- Frankrig: Fragile X France – Le Goëland* (xfra.org)
- Tyskland: Interessengemeinschaft Fragiles-X e.V.* (frax.de)
- Irland: ifxs – Irish Fragile X Society* (fragilexireland.org)
- Italien: Associazione Italiana Sindrome X-Fragile Onlus* (xfragile.net)
- Indien: The Fragile X Society* (www.fragilex.in)
- Holland: Fragiele X Vereniging Nederland* (fragielex.nl)
- Marokko: Fragile X Maroc* (facebook.com/xfragile.ma)
- New Zealand: Fragile X New Zealand* (fragilex.org.nz)
- Norge: Foreningen for Fragilt X-syndrom* (frax.no)
- Polen: Fundacja “Rodzina Fra X”*(www.rodzinafrax.pl)
- Portugal: Associação Portuguesa da Síndrome do X-Frágil* (apsxf.org)
- Slovakiet: FragX* https://www.facebook.com/profile.php?id=61568960263879
- Spanien: Federacion Espanola de Asociaciones del sindrome X-Fragil* (xfragil.org)
- Sverige: Föreningen Fragile-X* (fragilex.se)
- Schweiz: Fraxas* (fraxas.ch)
- STORBRITANNIEN: The Fragile X Society* (fragilex.org.uk)
- USA: The National Fragile X Foundation** (https://fragilex.org/)
*Full Member of FraXI
**Associate Member of FraXI
***Affiliate Group
