Sierra Leone vs Niger
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In 2025, Sierra Leone's population was 8.8M compared to 27.8M in Niger. Niger was higher by 19.0M.
Sierra Leone vs Niger — Population
| Year | Sierra Leone | Niger |
|---|---|---|
| 2025 | 8.8M | 27.8M |
| 2024 | 8.6M | 27.0M |
| 2023 | 8.5M | 26.2M |
| 2022 | 8.3M | 25.3M |
| 2021 | 8.1M | 24.5M |
| 2020 | 7.9M | 23.7M |
| 2019 | 7.7M | 22.9M |
| 2018 | 7.6M | 22.2M |
| 2017 | 7.4M | 21.4M |
| 2016 | 7.2M | 20.7M |
| 2015 | 7.0M | 19.9M |
| 2014 | 6.9M | 19.2M |
| 2013 | 6.7M | 18.5M |
| 2012 | 6.6M | 17.8M |
| 2011 | 6.4M | 17.2M |
| 2010 | 6.2M | 16.5M |
| 2009 | 6.1M | 15.9M |
| 2008 | 5.9M | 15.4M |
| 2007 | 5.7M | 14.8M |
| 2006 | 5.6M | 14.3M |