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Bulgaria's population is projected to have slipped past its peak: from a high of 8,985,715 in 1988, it is projected at 6,667,659 in 2026. The population is shrinking by 0.73% a year, losing about 48.6K people a year. Population density sits at 62 people/km². Half the population is younger than 45.0 years, and the age structure is steadily tilting older: the median is projected to reach 48.0 by 2050. Women outnumber men, at 94 males per 100 females. By 2100, UN projections see it falling to 3,531,198 (-47% from 2026).
Total population
6,667,659
Density
62 people/km²
Median age
45.0 years
Growth rate
-0.73%
Bulgaria passed its population peak 38 years ago in 1988, and has since declined by 25.8%. The sex ratio of 94 males per 100 females is notably lower than the global average of ~101. The population is gradually aging, with median age projected to reach 48 by 2050 (up from 45 in 2026). UN projections show a decline to 3.5M by 2100.