Press Release 08/09/2025
BIRTH STATISTICS. I/2025
Births rose by 2.4% in the first quarter of 2025 in the Basque Country
The mothers were over 40 years of age in 11.6% of births
In the first quarter of 2025 the number of births in the Basque Country stood at 3,261, which was a 2.4% increase (77 more births) compared to the same period of the previous year, according to Eustat data. The number of births rose by 6% in Álava and 4.6% in Bizkaia, however in Gipuzkoa there was a drop of 2.2%. Specifically, 1,626 children were born in Bizkaia, 1,101 were born in Gipuzkoa and 534 in Álava.
By months, the highest number of births was recorded in January, with 1,144 (35.1%), followed by March, with 1,077 (33%); in February, 1,040 (31.9%) children were born.
According to the age of the mother, the group of mothers aged 30-34 moved into first position, producing 34.1% of births. In the 35-39 age group this percentage was 33.9%. It is of particular note that the number of women who became mothers aged between 25 and 29 was 13.6%, a higher value than the 11.6% of women over 40. Lastly, in 6.7% of births the mothers were under 25 years of age
Births outside marriage accounted for 51.3% of the total, a figure higher than that for the first quarter of 2024 (49.7%). Bizkaia had higher values than the Basque Country as a whole, 55.2%, while in Álava and Gipuzkoa this percentage was lower, at 46.6% and 47.9% respectively.
According to the order of birth, in the first quarter of 2025 50.4% of births, 1,643 children, were first-born. 1,151 (35.3%) arrived in families that already had another child, and the percentage of third or subsequent children stood at 14.3%, 0.8 points more than in the same quarter of 2024.
26.6% of mothers were foreign nationals
In 26.6% of births in the Basque Country during the first three months of 2025, the mother was a foreign national, 0.6 percentage points higher than in the first quarter of 2024. In Álava the proportion of mothers with foreign nationality was 32.2%, compared to 26.1% in Bizkaia and 24.5% in Gipuzkoa.
Live births in the Basque Country by historical territory of residence, sex, age, marital status and nationality of the mother, order and month of birth (1). 2025/I
| |
Current quarter (I/2025) |
Previous quarter (IV/2024) |
Same quarter as the previous year (I/2024) |
| |
NO. |
% |
NO. |
% |
Increase |
NO. |
% |
Increase |
| Basque Country |
3,261 |
100.0 |
3,239 |
100.0 |
0.7 |
3,184 |
100.0 |
2.4 |
| Araba / Álava |
534 |
16.4 |
539 |
16.6 |
-0.9 |
504 |
15.8 |
6.0 |
| Bizkaia |
1,626 |
49.8 |
1,629 |
50.3 |
-0.2 |
1,554 |
48.8 |
4.6 |
| Gipuzkoa |
1,101 |
33.8 |
1,071 |
33.1 |
2.8 |
1,126 |
35.4 |
-2.2 |
| |
| Sex |
|
|
|
|
|
|
|
|
| Boys |
1,649 |
50.6 |
1,634 |
50.4 |
0.9 |
1,613 |
50.7 |
2.2 |
| Girls |
1,612 |
49.4 |
1,605 |
49.6 |
0.4 |
1,571 |
49.3 |
2.6 |
| |
| AGE OF THE MOTHER |
|
|
|
|
|
|
|
|
| ≤ 24 years |
220 |
6.7 |
245 |
7.6 |
-10.2 |
217 |
6.8 |
1.4 |
| 25 - 29 years |
445 |
13.6 |
470 |
14.5 |
-5.3 |
427 |
13.4 |
4.2 |
| 30 - 34 years |
1,113 |
34.1 |
1,067 |
32.9 |
4.3 |
1,094 |
34.4 |
1.7 |
| 35 - 39 years |
1,106 |
33.9 |
1,057 |
32.6 |
4.6 |
1,088 |
34.2 |
1.7 |
| ≥ 40 years |
377 |
11.6 |
400 |
12.3 |
-5.8 |
358 |
11.2 |
5.3 |
| |
| Marital status of the mother |
|
|
|
|
|
|
|
|
| Married |
1,588 |
48.7 |
1,608 |
49.6 |
-1.2 |
1,601 |
50.3 |
-0.8 |
| Not married |
1,673 |
51.3 |
1,631 |
50.4 |
2.6 |
1,583 |
49.7 |
5.7 |
| |
| Nationality of the mother |
|
|
|
|
|
|
|
|
| Spanish |
2,394 |
73.4 |
2,286 |
70.6 |
4.7 |
2,355 |
74.0 |
1.7 |
| Foreign |
867 |
26.6 |
953 |
29.4 |
-9.0 |
829 |
26.0 |
4.6 |
| |
| The country where the mother was born |
|
|
|
|
|
|
|
|
| Spain |
2,115 |
64.9 |
2,022 |
62.4 |
4.6 |
2,120 |
66.6 |
-0.2 |
| Other |
1,146 |
35.1 |
1,217 |
37.6 |
-5.8 |
1,064 |
33.4 |
7.7 |
| |
| Order of birth |
|
|
|
|
|
|
|
|
| First |
1,643 |
50.4 |
1,648 |
50.9 |
-0.3 |
1,580 |
49.6 |
4.0 |
| Second |
1,151 |
35.3 |
1,143 |
35.3 |
0.7 |
1,175 |
36.9 |
-2.0 |
| Third or more |
467 |
14.3 |
448 |
13.8 |
4.2 |
429 |
13.5 |
8.9 |
| |
| Month of birth |
|
|
|
|
|
|
|
|
| January |
1,144 |
35.1 |
|
|
|
1,142 |
35.9 |
0.2 |
| February |
1,040 |
31.9 |
|
|
|
975 |
30.6 |
6.7 |
| March |
1,077 |
33.0 |
|
|
|
1,067 |
33.5 |
0.9 |
(1)The data for the current quarter is provisional. The variations are over the current quarter
Date September 8, 2025
Source: Eustat Birth statistics
For further information:
Eustat - Euskal Estatistika Erakundea/Basque Statistics Institute
C/ Donostia-San Sebastián, 1 01010 Vitoria-Gasteiz
Press Service: servicioprensa@eustat.eus Tel.: 945 01 75 62