 
				Population in cities of more than 1 million as a share of population fell 0.010% to 20.0% in Bulgaria in 2024, according to the National Statistical Office.
Historically, population in cities of more than 1 million as a share of population in Bulgaria reached an all time high of 20.0% in 2023 and an all time low of 9.00% in 1960. When compared to Bulgaria's main peers, population in cities of more than 1 million as a share of population in Greece amounted to 30.4%, 9.27% in Romania, 21.4% in Serbia and 38.9% in Turkey in 2024.
Bulgaria has been ranked 66th within the group of 121 countries we follow in terms of population in cities of more than 1 million as a share of population, 8 places above the position seen 10 years ago.
| Population in Cities of More Than 1 million (As % of Population) | Unit | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 
| Albania | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 
| Bosnia and Herzegovina | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 
| Bulgaria | % | 19.0% | 19.3% | 19.6% | 19.7% | 19.9% | ||||||||||||||||
| Croatia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 
| Greece | % | 29.4% | 29.4% | 29.5% | 29.8% | 30.2% | ||||||||||||||||
| Hungary | % | 18.1% | 18.2% | 18.3% | 18.4% | 18.5% | ||||||||||||||||
| Iran | % | 24.7% | 24.8% | 24.9% | 25.0% | 25.1% | ||||||||||||||||
| Iraq | % | 23.9% | 24.0% | 24.0% | 24.1% | 24.2% | ||||||||||||||||
| Macedonia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 
| Moldova | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 
| Romania | % | 9.35% | 9.36% | 9.36% | 9.38% | 9.37% | ||||||||||||||||
| Serbia | % | 19.9% | 20.1% | 20.3% | 20.5% | 21.1% | ||||||||||||||||
| Turkey | % | 37.3% | 37.3% | 37.6% | 37.9% | 38.1% | ||||||||||||||||
| Ukraine | % | 12.0% | 12.0% | 12.1% | 12.3% | 13.3% |