Group authors

You can group authors with the group_by parameter:

• Get counts of authors by the last known institution continent: https://api.openalex.org/authors?group_by=last_known_institution.continent``

Or you can group using one the attributes below.

{% hint style="info" %} It's best to read about group by before trying these out. It will show you how results are formatted, the number of results returned, and how to sort results. {% endhint %}

/authors group_by attributes

• affiliations.institution.country_code

• affiliations.institution.id

• affiliations.institution.lineage

• affiliations.institution.ror

• affiliations.institution.type

• cited_by_count

• has_orcid

• last_known_institution.continent

• last_known_institution.country_code

• last_known_institution.id

• last_known_institution.is_global_south

• last_known_institution.lineage

• last_known_institution.ror

• last_known_institution.type

• summary_stats.2yr_mean_citedness

• summary_stats.h_index

• summary_stats.i10_index

• works_count