30.4 years was the average age of women at the birth of their first child in 2025.
Up 0.1 years from 2024.
At what age do women have their first child?
Explore the data
Mothers’ average age at first birth, by region
2025, in years
Show the data as a table
| Place of residence (NUTS - 2024) | Year (Year) |
|---|---|
| Portugal | 30.4 |
| Norte | 31.0 |
| Centro | 30.4 |
| Oeste e Vale do Tejo | 30.1 |
| Grande Lisboa | 30.4 |
| Península de Setúbal | 29.5 |
| Alentejo | 28.9 |
| Algarve | 29.3 |
| Região Autónoma dos Açores | 29.4 |
| Região Autónoma da Madeira | 30.4 |
About these data
Show sources, notes, calculation rules and citation
Sources, units, dates, notes, calculation rules, citation and provenance of every chart and table on this page.
- Reference
- Measure P07 of the list of selected indicators: Mean age of women at birth of first child — years
Comparison with the previous period
Difference calculated by the project from the published values (2025: 30.4; 2024: 30.3): 30.4 − 30.3 = 0.1. Not a value published by Statistics Portugal.
Mothers’ average age at first birth, by region
- Period
- 2025
- Unit
- Year (Year)
- Data as of
- 3 November 2026
Source
- Statistics Portugal, Demographic indicators: Mean age of women at birth of first child (Year) by Place of residence (NUTS - 2024), source last updated 22 June 2026. View in the Statistics Portugal database (0013186)
Suggested citation
Statistics Portugal. People: “Mothers’ average age at first birth, by region”. http://localhost:4321/en/as-pessoas/p07#x-P07-regioes. Data as of 3 November 2026; accessed 4 November 2026.
Provenance
- Version
INE:0013186@2026-11-03T19:27:06.889Z- Observations checksum (SHA-256)
81504ac314854b22f2382d853a36197be671bd67d789d1fb3ae7d513e55e2d76