[Yuri]

Bulgaria

2021 Census released:

1985 --- 8,948,388
2001 --- 7,932,984 --- -11.3%
2011 --- 7,364,570 ---- -7.2%
2021 --- 6,520,314 --- -11.5%


Sofia

1985 --- 1,198,615
2001 --- 1,173,988 ---- -2.1%
2011 --- 1,291,591 --- +10.0%
2021 --- 1,480,830 --- +14.7%


400,000 people less than the 2020 estimate and 844,000 less than recorded on 2011 Census, a massive -11.46% drop. Bulgarian population has topped in 1988, at 8,981,446, almost 2.5 million more people than today.

Sofia, on the other hand, is growing at an ever faster rate: 14.65% (2021-2011), at boom town numbers. In 1985, 13% of Bulgarians lived in Sofia. Now, it's close to 23%.

The province of Vidin (northwest, bordering Serbia and Romania) has dropped from 166,680 inh. in 1985 to mere 74,493 in 2021.