Sierra Leone vs Nigeria
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In 2025, Sierra Leone's population was 8.8M compared to 237.3M in Nigeria. Nigeria was higher by 228.4M.
Sierra Leone vs Nigeria — Population
| Year | Sierra Leone | Nigeria |
|---|---|---|
| 2025 | 8.8M | 237.3M |
| 2024 | 8.6M | 232.7M |
| 2023 | 8.5M | 227.9M |
| 2022 | 8.3M | 223.2M |
| 2021 | 8.1M | 218.5M |
| 2020 | 7.9M | 214.0M |
| 2019 | 7.7M | 209.5M |
| 2018 | 7.6M | 204.9M |
| 2017 | 7.4M | 200.3M |
| 2016 | 7.2M | 195.4M |
| 2015 | 7.0M | 190.7M |
| 2014 | 6.9M | 185.9M |
| 2013 | 6.7M | 181.0M |
| 2012 | 6.6M | 176.2M |
| 2011 | 6.4M | 171.4M |
| 2010 | 6.2M | 166.6M |
| 2009 | 6.1M | 162.0M |
| 2008 | 5.9M | 157.6M |
| 2007 | 5.7M | 153.3M |
| 2006 | 5.6M | 149.1M |