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Lithuania's population is projected to have slipped past its peak: from a high of 3,701,407 in 1991, it is projected at 2,797,338 in 2026. That is up 15% from 2,432,995 in 1950. The population is shrinking by 0.82% a year, losing about 23.1K people a year. Population density sits at 45 people/km². Half the population is younger than 42.6 years, and the age structure is steadily tilting older: the median is projected to reach 50.3 by 2050. Women outnumber men, at 90 males per 100 females. By 2100, UN projections see it falling to 1,208,675 (-57% from 2026).
Total population
2,797,338
Density
45 people/km²
Median age
42.6 years
Growth rate
-0.82%
Lithuania passed its population peak 35 years ago in 1991, and has since declined by 24.4%. The sex ratio of 90 males per 100 females is notably lower than the global average of ~101. The population is aging rapidly; median age will rise from 43 in 2026 to 50 by 2050. Looking ahead, UN projections show the population falling to 1.2M by 2100, less than half of 2026's level.