group-authors.md

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