This dataset provides annual records of threatened species from 2004 to 2023, focusing on the 25 countries most impacted by biodiversity loss.
For direct download of datasets.
The data is organized into three categories—Vertebrates, Invertebrates, and Plants—and sourced from UNdata and the IUCN Red List.
Each entry includes the country name, year, species count, and biodiversity group. It is designed to support research, education, and public engagement on global conservation priorities.
Source and Collection Timeline Original Data Range: 2004–2023 Cleaned and Extracted: November 2024 Primary Sources: UNdata, IUCN Red List (via UN Statistics Division)
Data Processing Summary Data Cleaning: Removed incomplete entries and excluded non-country-level data (e.g., continents or regions). Grouping: Categorized into Vertebrates, Invertebrates, and Plants. Top 25 Filter: Selected the top 25 countries per year and per category to improve visual clarity. File Generation: Created three structured CSVs using Python (Pandas).
Data Format File Type: CSV (.csv) Columns Include: Country – Name of the country Year – Range from 2004 to 2023 Value – Number of threatened species Group – Vertebrates, Invertebrates, or Plants (2025-05-11)