Hong Kong, China vs San Marino: Average age of mothers at childbirth
Hong Kong, China
32.93 years
in 2023
San Marino
32.85 years
in 2023
Hong Kong, China rank
2nd
San Marino rank
3rd
Average age of mothers at childbirth over time
- Hong Kong, China
- San Marino
How they compare
Hong Kong, China currently reports 32.93 years against 32.85 years in San Marino, a difference of 0.08 years.
The two have swapped places 2 times across 74 shared years of data; in 1950 it was Hong Kong, China ahead.
Hong Kong, China ranks 2nd and San Marino ranks 3rd of 236 countries.
Across the 8 decades both report, Hong Kong, China averaged higher in 4 and San Marino in 4.
Head to head by decade
| Decade | Hong Kong, China | San Marino | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 29.16 years | 28.35 years | 0.8137 years | Hong Kong, China |
| 1960s | 29.23 years | 28.01 years | 1.22 years | Hong Kong, China |
| 1970s | 28.98 years | 27.01 years | 1.97 years | Hong Kong, China |
| 1980s | 28.88 years | 27.85 years | 1.03 years | Hong Kong, China |
| 1990s | 29.63 years | 29.84 years | 0.2101 years | San Marino |
| 2000s | 30.47 years | 31.5 years | 1.03 years | San Marino |
| 2010s | 31.9 years | 32.49 years | 0.5929 years | San Marino |
| 2020s | 32.79 years | 32.85 years | 0.0527 years | San Marino |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average age of mothers at childbirth, Hong Kong, China or San Marino?
- Hong Kong, China, at 32.93 years against 32.85 years in San Marino as of 2023.
- What is the difference in average age of mothers at childbirth between Hong Kong, China and San Marino?
- 0.08 years, with Hong Kong, China ahead.
- How many years of comparable data are there for Hong Kong, China and San Marino?
- 74 years are reported by both, from 1950 to 2023.
- How do Hong Kong, China and San Marino rank globally for average age of mothers at childbirth?
- Hong Kong, China ranks 2nd and San Marino ranks 3rd of 236 countries.
- Where does this data come from?
- Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Average age of mothers at childbirth. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Mean age of mothers at the birth of their children if women were subject throughout their lives to the age-specific fertility rates observed in a given year.