Population in largest city rose 1.62% to 0.694 mil in Laos in 2021, according to the National Statistical Office.
Historically, population in largest city in Laos reached an all time high of 0.694 mil in 2021 and an all time low of 0.076 mil in 1960. When compared to Laos's main peers, population in largest city in Cambodia amounted to 2.14 mil, 27.8 mil in China, 10.7 mil in Thailand and 8.84 mil in Vietnam in 2021.
Laos has been ranked 132nd within the group of 153 countries we follow in terms of population in largest city, 1 place below the position seen 10 years ago.
| Population in the Largest City | Unit | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Cambodia | mil | 1.78 | 1.83 | 1.89 | 1.95 | 2.01 | ||||||||||||||||
| China | mil | 23.5 | 24.2 | 24.9 | 25.6 | 26.3 | ||||||||||||||||
| India | mil | 25.9 | 26.7 | 27.6 | 28.5 | 29.4 | ||||||||||||||||
| Japan | mil | 37.3 | 37.3 | 37.4 | 37.5 | 37.4 | ||||||||||||||||
| Laos | mil | 0.642 | 0.650 | 0.657 | 0.665 | 0.673 | ||||||||||||||||
| Malaysia | mil | 6.85 | 7.08 | 7.32 | 7.56 | 7.78 | ||||||||||||||||
| Myanmar | mil | 4.85 | 4.95 | 5.05 | 5.16 | 5.24 | ||||||||||||||||
| Russia | mil | 12.0 | 12.2 | 12.3 | 12.4 | 12.5 | ||||||||||||||||
| Thailand | mil | 9.40 | 9.65 | 9.90 | 10.2 | 10.4 | ||||||||||||||||
| USA | mil | 18.6 | 18.7 | 18.8 | 18.8 | 18.8 | ||||||||||||||||
| Vietnam | mil | 7.35 | 7.60 | 7.87 | 8.15 | 8.37 |
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