UNCTAD Herfindahl-Hirschmann index of how concentrated exports are in a few products (lower is less concentrated). Source: UNCTAD. Retrieved 19 Aug 2026.
| Period | Export Concentration Index |
|---|---|
| 2025 | 0.486 |
| 2024 | 0.463 |
| 2023 | 0.501 |
| 2022 | 0.421 |
| 2021 | 0.357 |
| 2020 | 0.372 |
| 2019 | 0.404 |
| 2018 | 0.451 |
| 2017 | 0.309 |
| 2016 | 0.385 |
| 2015 | 0.354 |
| 2014 | 0.492 |
54 countries carry a recent export concentration index figure. Each opens its own page with the history, the source and the API request.
144 of 207 indicators carry a figure for Central African Republic, grouped by topic.