| Cities | 2019 | 2020 | 
|---|---|---|
| Bulgaria | 4 581 660 | 1 315 848 | 
| Sofia | 2 333 962 | 623 115 | 
| Plovdiv | 227 049 | 149 657 | 
| Varna | 531 694 | 143 713 | 
| Burgas | 320 003 | 77 745 | 
| Pleven | 106 726 | 21 795 | 
| Ruse | 160 804 | 47 907 | 
| Vidin | 32 908 | 8 353 | 
| Stara Zagora | 191 665 | 52 525 | 
| Sliven | 16 534 | 2 619 | 
| Dobrich | 24 450 | 3 592 | 
| Shumen | 17 438 | 3 737 | 
| Pernik | - | 2 283 | 
| Yambol | 13 425 | 936 | 
| Haskovo | 15 635 | 2 965 | 
| Pazardzhik | 48 109 | 10 887 | 
| Blagoevgrad | 84 717 | 23 404 | 
| Veliko Tarnovo | 67 407 | 42 164 | 
| Vratsa | 35 943 | 7 688 | 
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