Population Estimates. S2/2025. Provisional data. Advance

The population of Catalonia on 1July 2025 as 8,154,627 inhabitants, representing an increase of 41,137 people during the first half of the year, according to provisional data. In year-over-year terms, compared to 1 July 2024, the growth is 87,173 inhabitants (1.1%).

By large age groups, during the first six months of 2025, the group aged 0 to 15 years decreased (−10,869 people). Conversely, increases were registered in the population aged 16 to 64 years (35,375) and that aged 65 years and over (16,631). Compared to a year earlier and in relative terms, the populations aged 0 to 15 years fell by 1.9%, while the population aged 16 to 64 years rose by 1.4% and that aged 65 years and over did so by 2.3%.

As of 1July 2025, the number of centenarians is estimated at 3,051, of whom 502 are men (16.5%) and 2,549 are women (83.5%). During the first half of 2025, the centenarian population increased by 134 persons, as there had been 2,917 centenarians (464 men and 2,453 women) as of 1 January 2025.

By provinces, the population increased in all four during the first half of 2025. Compared to a year earlier, and in relative terms, the largest increases were recorded in Tarragona and Lleida, with year-over-year growth rates of 2.2% and 1.4%, respectively.