The new GWAS Catalog interface also provides additional data not previously available via the now retired NHGRI hosted search interface, for example ancestry data is now available for all studies (released October 2016). This work included the annotation of study samples to an ancestry ontology (www.ebi.ac.uk/ols/ontologies/ancestro), with sample sizes and country of recruitment for each ancestral group. These data are fully searchable enabling new searches for studies performed on samples from a specific ancestral background. We also plan to provide additional filtering functionality based on ancestry to allow inclusion or exclusion of results based on the ancestry of study samples.
