Which has higher average age of mothers at childbirth, Hong Kong or South Korea?

South Korea, at 33.42 years against 32.93 years in Hong Kong as of 2023.

What is the difference in average age of mothers at childbirth between Hong Kong and South Korea?

0.49 years, with South Korea ahead.

How many years of comparable data are there for Hong Kong and South Korea?

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing 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.

Hong Kong vs South Korea: Average age of mothers at childbirth

Hong Kong

32.93 years

in 2023

South Korea

33.42 years

in 2023

Hong Kong rank

2nd

South Korea rank

1st

Average age of mothers at childbirth over time

Hong Kong
South Korea

How they compare

South Korea currently reports 33.42 years against 32.93 years in Hong Kong, a difference of 0.49 years.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was South Korea ahead.

Hong Kong ranks 2nd and South Korea ranks 1st of 236 countries.

Across the 8 decades both report, Hong Kong averaged higher in 5 and South Korea in 3.

Head to head by decade

Decade	Hong Kong	South Korea	Difference	Ahead
1950s	29.16 years	31.21 years	2.05 years	South Korea
1960s	29.23 years	30.73 years	1.51 years	South Korea
1970s	28.98 years	28.86 years	0.1248 years	Hong Kong
1980s	28.88 years	26.92 years	1.96 years	Hong Kong
1990s	29.63 years	27.95 years	1.68 years	Hong Kong
2000s	30.47 years	29.83 years	0.6377 years	Hong Kong
2010s	31.9 years	31.77 years	0.1294 years	Hong Kong
2020s	32.79 years	33.19 years	0.3912 years	South Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Hong Kong or South Korea?: South Korea, at 33.42 years against 32.93 years in Hong Kong as of 2023.
What is the difference in average age of mothers at childbirth between Hong Kong and South Korea?: 0.49 years, with South Korea ahead.
How many years of comparable data are there for Hong Kong and South Korea?: 74 years are reported by both, from 1950 to 2023.
How do Hong Kong and South Korea rank globally for average age of mothers at childbirth?: Hong Kong ranks 2nd and South Korea ranks 1st of 236 countries.
Where does this data come from?: Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing 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.

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Hong Kong vs South Korea: Average age of mothers at childbirth. Statizoid, drawing on Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data. Retrieved 08 November 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/hong-kong-sar-china/korea-rep/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/hong-kong-sar-china/korea-rep/">Hong Kong vs South Korea: Average age of mothers at childbirth</a> — Statizoid

About this data

Indicator: Average age of mothers at childbirth
Unit: years
Source: Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 17,683 data points, 1891–2023
Last refreshed: 30 October 2026

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.