Japan vs Switzerland: Average age of mothers at childbirth by birth order
Japan
30.71 years
in 2023
Switzerland
31.31 years
in 2023
Japan rank
7th
Switzerland rank
4th
Average age of mothers at childbirth by birth order over time
- Japan
- Switzerland
How they compare
Switzerland currently reports 31.31 years against 30.71 years in Japan, a difference of 0.6 years.
Across all 26 years both countries report, Switzerland has been ahead every year.
Japan ranks 7th and Switzerland ranks 4th of 33 countries.
Switzerland has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Japan | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 27.98 years | 28.27 years | 0.28 years | Switzerland |
| 2000s | 28.53 years | 29.14 years | 0.614 years | Switzerland |
| 2010s | 29.84 years | 30.54 years | 0.692 years | Switzerland |
| 2020s | 30.52 years | 31.21 years | 0.6925 years | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average age of mothers at childbirth by birth order, Japan or Switzerland?
- Switzerland, at 31.31 years against 30.71 years in Japan as of 2023.
- What is the difference in average age of mothers at childbirth by birth order between Japan and Switzerland?
- 0.6 years, with Switzerland ahead.
- How many years of comparable data are there for Japan and Switzerland?
- 26 years are reported by both, from 1998 to 2023.
- How do Japan and Switzerland rank globally for average age of mothers at childbirth by birth order?
- Japan ranks 7th and Switzerland ranks 4th 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.