CWTS Leiden Ranking Open Edition 2026 - Data
Authors/Creators
- 1. Centre for Science and Technology Studies (CWTS), Leiden University
Description
This dataset contains the data used to create the CWTS Leiden Ranking Open Edition 2026. The dataset includes (1) data about the universities included in the Leiden Ranking Open Edition 2026 and the links between these universities and their affiliated organizations, (2) data about the publications included in the Leiden Ranking Open Edition 2026 and the links between these publications and universities and main fields, (3) indicators at the level of publications, and (4) indicators at the level of universities and main fields.
The Leiden Ranking Open Edition 2026 is based on the OpenAlex snapshot of August 31, 2026. The snapshot data is not included in this dataset.
The source code for creating this dataset is available in this GitHub repository.
See this blog post for more information about the Leiden Ranking Open Edition.
This dataset consists of the following tab-delimited files.
university
- university_id
- university
- university_full_name
- university_ror_id
- university_ror_name
- university_openalex_institution_id
- country_code
- latitude
- longitude
- is_mtor_university
affiliated_organization
- affiliated_organization_ror_id
- affiliated_organization_ror_name
- affiliated_organization_openalex_institution_id
university_affiliated_organization
- university_ror_id
- university_openalex_institution_id
- relation_type
- affiliated_organization_ror_id
- affiliated_organization_openalex_institution_id
- affiliated_organization_weight
main_field
- main_field_id
- main_field
pub
- work_id
- doi
- pub_year
- is_core_pub
- micro_cluster_id
pub_university
- work_id
- university_id
- weight
pub_main_field
- work_id
- main_field_id
- weight
period
- period_begin_year
- period_end_year
- period
pub_impact_indicators
- work_id
- period_begin_year
- core_pubs_only
- cs
- p_10_cits
- p_20_cits
- p_50_cits
- p_100_cits
- ncs
- p_top_1
- p_top_5
- p_top_10
- p_top_50
pub_collab_indicators
- work_id
- p_collab
- p_int_collab
- p_industry
- p_short_dist_collab
- p_long_dist_collab
pub_oa_indicators
- work_id
- p_oa_unknown
- p_oa
- p_gold_oa
- p_hybrid_oa
- p_bonze_oa
- p_green_oa
university_impact_indicators
- university_id
- main_field_id
- period_begin_year
- core_pubs_only
- fractional_counting
- p
- tcs
- p_10_cits
- p_20_cits
- p_50_cits
- p_100_cits
- tncs
- p_top_1
- p_top_5
- p_top_10
- p_top_50
- mcs
- mcs_lb
- mcs_ub
- pp_10_cits
- pp_10_cits_lb
- pp_10_cits_ub
- pp_20_cits
- pp_20_cits_lb
- pp_20_cits_ub
- pp_50_cits
- pp_50_cits_lb
- pp_50_cits_ub
- pp_100_cits
- pp_100_cits_lb
- pp_100_cits_ub
- mncs
- mncs_lb
- mncs_ub
- pp_top_1
- pp_top_1_lb
- pp_top_1_ub
- pp_top_5
- pp_top_5_lb
- pp_top_5_ub
- pp_top_10
- pp_top_10_lb
- pp_top_10_ub
- pp_top_50
- pp_top_50_lb
- pp_top_50_ub
university_collab_indicators
- university_id
- main_field_id
- period_begin_year
- core_pubs_only
- p
- p_collab
- p_int_collab
- p_industry_collab
- p_short_dist_collab
- p_long_dist_collab
- pp_collab
- pp_collab_lb
- pp_collab_ub
- pp_int_collab
- pp_int_collab_lb
- pp_int_collab_ub
- pp_industry_collab
- pp_industry_collab_lb
- pp_industry_collab_ub
- pp_short_dist_collab
- pp_short_dist_collab_lb
- pp_short_dist_collab_ub
- pp_long_dist_collab
- pp_long_dist_collab_lb
- pp_long_dist_collab_ub
university_oa_indicators
- university_id
- main_field_id
- period_begin_year
- core_pubs_only
- p
- p_oa_unknown
- p_oa
- p_gold_oa
- p_hybrid_oa
- p_bronze_oa
- p_green_oa
- pp_oa_unknown
- pp_oa_unknown_lb
- pp_oa_unknown_ub
- pp_oa
- pp_oa_lb
- pp_oa_ub
- pp_gold_oa
- pp_gold_oa_lb
- pp_gold_oa_ub
- pp_hybrid_oa
- pp_hybrid_oa_lb
- pp_hybrid_oa_ub
- pp_bronze_oa
- pp_bronze_oa_lb
- pp_bronze_oa_ub
- pp_green_oa
- pp_green_oa_lb
- pp_green_oa_ub