Population on 1 January by age group and sex

In 2025, Czechia's population on 1 january by age group and sex increased by 5.7% compared to 2024, reaching 519,802.

Czechia accounts for 1.9% of the EU-27 total of 27,867,363.

Czechia ranks 13th out of 27 EU member states with reported data — in the top half of the distribution.

Over the past five years, the indicator has grown by 17.8% (from 441,100 in 2020).

Source: Eurostat dataset demo_pjangroup, accessed via the eupublicdata pipeline.