World Wide Twin's catalogue
The Worldwide Twins’ Data Catalogue is comprised of information from a number of twin registries and cohorts.
Join the catalogue
If you can contribute information about your twin registry or cohort, please fill out this survey.
Please note that our purpose is to provide information on available resources. We do not own or store any data.
Participant twin registries and cohorts:
Name of registry |
Country |
| Brazilian Twin Registry | Brazil |
| California Twin Program | USA |
| Danish Twin Register | Denmark |
| International Twin Study | USA |
| Iranian Twin Registry | Iran |
| Italian Twin Registry | Italy |
| Finnish Twin Cohort | Finland |
| Hungarian Twin Registry | Hungary |
| Malaysian Twin Registry | Malaysia |
| Murcia Twin Registry | Spain |
| Netherlands Twin Registry | The Netherlands |
| Osaka University Twin Registry | Japan |
| Sri Lankan Twin Registry | Sri Lanka |
| Twins Research Australia | Australia |
| Twins UK | United Kingdom |
| Washington State Twin Registry | USA |