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Czechia's population is projected to have slipped past its peak: from a high of 10,809,716 in 2023, it is projected at 10,527,781 in 2026. That is up 18% from 8,916,711 in 1950. Numbers are roughly stable, edging down 0.20% a year. Settlement is fairly dense, at 136 people/km². Half the population is younger than 44.3 years, and the age structure is steadily tilting older: the median is projected to reach 46.0 by 2050. The sexes are close to evenly balanced, at 97 males per 100 females. By 2100, UN projections see it falling to 8,228,076 (-22% from 2026).
Total population
10,527,781
Density
136 people/km²
Median age
44.3 years
Growth rate
-0.20%
Czechia passed its population peak 3 years ago in 2023, and has since declined by 2.6%. The population is gradually aging, with median age projected to reach 46 by 2050 (up from 44 in 2026). UN projections show a decline to 8.2M by 2100.