Sierra Leone vs Mongolia
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In 2025, Sierra Leone's population was 8.8M compared to 3.6M in Mongolia. Sierra Leone was higher by 5.2M.
Sierra Leone vs Mongolia — Population
| Year | Sierra Leone | Mongolia |
|---|---|---|
| 2025 | 8.8M | 3.6M |
| 2024 | 8.6M | 3.5M |
| 2023 | 8.5M | 3.5M |
| 2022 | 8.3M | 3.4M |
| 2021 | 8.1M | 3.4M |
| 2020 | 7.9M | 3.3M |
| 2019 | 7.7M | 3.3M |
| 2018 | 7.6M | 3.2M |
| 2017 | 7.4M | 3.1M |
| 2016 | 7.2M | 3.1M |
| 2015 | 7.0M | 3.0M |
| 2014 | 6.9M | 3.0M |
| 2013 | 6.7M | 2.9M |
| 2012 | 6.6M | 2.8M |
| 2011 | 6.4M | 2.8M |
| 2010 | 6.2M | 2.7M |
| 2009 | 6.1M | 2.7M |
| 2008 | 5.9M | 2.6M |
| 2007 | 5.7M | 2.6M |
| 2006 | 5.6M | 2.6M |