| Characteristic | Share of adult population |
|---|---|
| Angola (2019) | 0.1% |
| Burundi (2017) | 0.9% |
| Sri Lanka (2022) | 0.9% |
| Niger (2022) | 1% |
| Barbados (2000) | 1.1% |
| Zimbabwe (2023) | 1.1% |
| Malawi (2020) | 1.3% |
| Kiribati (2023) | 1.8% |
| Chad (2019) | 1.8% |
| Central African Republic (2019) | 1.8% |
| Sierra Leone (2019) | 2% |
| Nauru (2023) | 2.1% |
| Tanzania (2022) | 2.3% |
| Mali (2022) | 2.3% |
| Burkina Faso (2024) | 2.5% |
| Gambia, The (2023) | 2.5% |
| Guinea-Bissau (2022) | 2.6% |
| Zambia (2023) | 2.8% |
| Madagascar (2021) | 2.9% |
| Mozambique (2022) | 3% |
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Source
Source
Release date
October 2025
More information
Region
Worldwide
Survey time period
2024*
Age group
25 years and older
Special properties
Cumulative
Supplementary notes
Please note that values were not available for a range of countries.
Countries for which values were only available in 2015 or earlier are not included.
* Year of value in brackets.
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