World Health Organization · Health
Nigeria: Number of individuals in the country requiring preventive chemotherapy for onchocerciasis
35.07Mcount · 2025-26.1% since 2015
Number of individuals in the country requiring preventive chemotherapy for onchocerciasis. WHO Global Health Observatory indicator NTD_ONCHEMO. Annual figures for Nigeria from 2013 to 2025.
Every year
| Year | Value (count) | Note |
|---|---|---|
| 2025 | 35,070,349 | |
| 2024 | 40,379,411 | |
| 2023 | 46,890,284 | |
| 2022 | 43,465,628 | |
| 2021 | 50,876,435 | |
| 2020 | 51,730,867 | |
| 2019 | 50,567,805 | |
| 2018 | 55,771,190 | |
| 2017 | 49,900,711 | |
| 2016 | 53,083,821 | |
| 2015 | 47,484,244 | |
| 2014 | 51,392,689 | |
| 2013 | 50,124,539 |
Source
Published by World Health Organization. Licence: CC BY-NC-SA 3.0 IGO. Retrieved 2026-11-07.
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Cite or download
World Health Organization (2026). Number of individuals in the country requiring preventive chemotherapy for onchocerciasis. Interva. https://interva.co/dataset/who-ntd-onchemo (accessed 2026-11-08). catalog snapshot 2026-11-07.
Number of individuals in the country requiring preventive chemotherapy for onchocerciasis in other countries
- Angola
- Benin
- Brazil
- Burkina Faso
- Burundi
- Cameroon
- Central African Republic
- Chad
- Congo
- Congo, The Democratic Republic of the
- Côte d'Ivoire
- Equatorial Guinea
- Ethiopia
- Gabon
- Ghana
- Guinea
- Guinea-Bissau
- Liberia
- Malawi
- Mali
- Mozambique
- Senegal
- Sierra Leone
- South Sudan
- Sudan
- Tanzania, United Republic of
- Togo
- Uganda
- Venezuela, Bolivarian Republic of
- Yemen
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