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