Norway vs Portugal: Average age of mothers at childbirth by birth order
Norway
30.11 years
in 2022
Portugal
30.15 years
in 2023
Norway rank
13th
Portugal rank
12th
Average age of mothers at childbirth by birth order over time
- Norway
- Portugal
How they compare
Portugal currently reports 30.15 years against 30.11 years in Norway, a difference of 0.04 years.
The two have swapped places 2 times across 56 shared years of data; in 1967 it was Portugal ahead.
Norway ranks 13th and Portugal ranks 12th of 33 countries.
Across the 7 decades both report, Norway averaged higher in 3 and Portugal in 4.
Head to head by decade
| Decade | Norway | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 23.76 years | 24.87 years | 1.11 years | Portugal |
| 1970s | 23.61 years | 24.37 years | 0.76 years | Portugal |
| 1980s | 24.84 years | 24.14 years | 0.699 years | Norway |
| 1990s | 26.23 years | 25.62 years | 0.603 years | Norway |
| 2000s | 27.5 years | 27.2 years | 0.303 years | Norway |
| 2010s | 28.82 years | 29.16 years | 0.34 years | Portugal |
| 2020s | 29.97 years | 30.32 years | 0.35 years | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average age of mothers at childbirth by birth order, Norway or Portugal?
- Portugal, at 30.15 years against 30.11 years in Norway as of 2023.
- What is the difference in average age of mothers at childbirth by birth order between Norway and Portugal?
- 0.04 years, with Portugal ahead.
- How many years of comparable data are there for Norway and Portugal?
- 56 years are reported by both, from 1967 to 2022.
- How do Norway and Portugal rank globally for average age of mothers at childbirth by birth order?
- Norway ranks 13th and Portugal ranks 12th of 33 countries.
- Where does this data come from?
- Human Fertility Database (2025) – processed by Our World in Data, published as Average age of mothers at childbirth by birth order. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average age of mothers when they have their first child in a specific year. It is standardized for the age structure of the female population of reproductive age.