In 2025, 87,764 live births were born to mothers residing in Portugal, 3,122 more (+3.7%) more than in 2024. About a third of the children were born to foreign-born mothers (mothers who were not born in Portugal).
The number of deaths of residents in the national territory was 121,817, 3,421 more (+2.9%) than in 2024. Of these, 246 deaths were children under 1 year of age (eight less than in 2024). The decrease in infant deaths and the increase in the number of live births has resulted in a decrease in the infant mortality rate to 2.8 deaths per thousand live births (3.0‰ in 2024).
The worsening of the natural balance, in 2025, to -34,053 (-33,754 in 2024) was therefore determined by the increase in the number of deaths. The Grande Lisboa was the only NUTS 2 region where, for the third consecutive year, a positive natural balance was registered (+414).
In 2025, 37,714 marriages were celebrated in Portugal, 1,081 more (+3.0%) than in 2024, of which 36,651 were opposite-sex marriages and 1,063 same-sex marriages.
